 
                 CPC
 CPC
                     B21B37/78
 B21B37/78
                     JOINT-STOCK COMPANY “TVEL”
                                    JOINT-STOCK COMPANY “TVEL”
                                 Vladimir Vladimirovich Novikov
                                    Vladimir Vladimirovich Novikov
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 SMS group GMBH
                                    SMS group GMBH
                                 Alexander  Gohr
                                    Alexander  Gohr
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 SMS group GMBH
                                    SMS group GMBH
                                 Frank  d'Hone
                                    Frank  d'Hone
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 University of Science and Technology Beijing
                                    University of Science and Technology Beijing
                                 Baoyu  Wang
                                    Baoyu  Wang
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Danieli & C. Officine Meccaniche SpA
                                    Danieli & C. Officine Meccaniche SpA
                                 Annibale  Bucci
                                    Annibale  Bucci
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Jose  Rossi
                                    Jose  Rossi
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Vallourec Deutschland GmbH
                                    Vallourec Deutschland GmbH
                                 Rolf  Kümmerling
                                    Rolf  Kümmerling
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Jose E Rossi
                                    Jose E Rossi
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sandvik Materials Technology Deutschland GmbH
                                    Sandvik Materials Technology Deutschland GmbH
                                 Thomas  Frobose
                                    Thomas  Frobose
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sandvik Materials Technology Deutschland GmbH
                                    Sandvik Materials Technology Deutschland GmbH
                                 Thomas  Froböse
                                    Thomas  Froböse
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sandvik Materials Technology Deutschland GmbH
                                    Sandvik Materials Technology Deutschland GmbH
                                 Udo  Rauffmann
                                    Udo  Rauffmann
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sandvik Materials Technology Deutschland GmbH
                                    Sandvik Materials Technology Deutschland GmbH
                                 Thomas  Frobose
                                    Thomas  Frobose
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Nippon Steel & Sumitomo Metal Corporation
                                    Nippon Steel & Sumitomo Metal Corporation
                                 Akihito  Yamane
                                    Akihito  Yamane
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Ferruccio  Della Vedova
                                    Ferruccio  Della Vedova
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Nippon Steel & Sumitomo Metal Corporation
                                    Nippon Steel & Sumitomo Metal Corporation
                                 Noboru  Hasegawa
                                    Noboru  Hasegawa
                                 B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
                                    B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
                                 SMS MEER GMBH
                                    SMS MEER GMBH
                                 Mark  Haverkamp
                                    Mark  Haverkamp
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Nippon Steel & Sumitomo Metal Corporation
                                    Nippon Steel & Sumitomo Metal Corporation
                                 Masakazu  Fujiwara
                                    Masakazu  Fujiwara
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Nippon Steel & Sumitomo Metal Corporation
                                    Nippon Steel & Sumitomo Metal Corporation
                                 Akihito  Yamane
                                    Akihito  Yamane
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Nippon Steel & Sumitomo Metal Corporation
                                    Nippon Steel & Sumitomo Metal Corporation
                                 Hiroyuki  Iwamoto
                                    Hiroyuki  Iwamoto
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Hiroyuki  Iwamoto
                                    Hiroyuki  Iwamoto
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Hiroyuki  Iwamoto
                                    Hiroyuki  Iwamoto
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Hiroyuki  Iwamoto
                                    Hiroyuki  Iwamoto
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Naoya  Hirase
                                    Naoya  Hirase
                                 C21 - METALLURGY OF IRON
                                    C21 - METALLURGY OF IRON
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Tomio  Yamakawa
                                    Tomio  Yamakawa
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Kenichi  Sasaki
                                    Kenichi  Sasaki
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Akihito  Yamane
                                    Akihito  Yamane
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Hiroyuki  Iwamoto
                                    Hiroyuki  Iwamoto
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Akihito  Yamane
                                    Akihito  Yamane
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Kenichi  Sasaki
                                    Kenichi  Sasaki
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 SMS Meer GmbH
                                    SMS Meer GmbH
                                 Hermann-Josef  Klingen
                                    Hermann-Josef  Klingen
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 SMS Group GmbH
                                    SMS Group GmbH
                                 Martin  SAUERLAND
                                    Martin  SAUERLAND
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 JOINT STOCK COMPANY "TVEL"
                                    JOINT STOCK COMPANY "TVEL"
                                 Sergei Vladimirovich CHINEIKIN
                                    Sergei Vladimirovich CHINEIKIN
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 JOINT STOCK COMPANY "TVEL"
                                    JOINT STOCK COMPANY "TVEL"
                                 Sergei Vladimirovich CHINEIKIN
                                    Sergei Vladimirovich CHINEIKIN
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 JOINT STOCK COMPANY "TVEL"
                                    JOINT STOCK COMPANY "TVEL"
                                 Sergei Vladimirovich CHINEIKIN
                                    Sergei Vladimirovich CHINEIKIN
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 TUBACEX INNOVACIÓN A.I.E.
                                    TUBACEX INNOVACIÓN A.I.E.
                                 Alejandra  LÓPEZ
                                    Alejandra  LÓPEZ
                                 F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 SMS group GMBH
                                    SMS group GMBH
                                 Alexander  Gohr
                                    Alexander  Gohr
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
                                    UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
                                 Baoyu  WANG
                                    Baoyu  WANG
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Jose  Rossi
                                    Jose  Rossi
                                 F24 - HEATING RANGES VENTILATING
                                    F24 - HEATING RANGES VENTILATING
                                 Danieli & C. Officine Meccaniche Spa
                                    Danieli & C. Officine Meccaniche Spa
                                 Annibale  Bucci
                                    Annibale  Bucci
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 VALLOUREC DEUTSCHLAND GMBH
                                    VALLOUREC DEUTSCHLAND GMBH
                                 Rolf  Kümmerling
                                    Rolf  Kümmerling
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Keystone Tower Systems, Inc.
                                    Keystone Tower Systems, Inc.
                                 Rosalind K. Takata
                                    Rosalind K. Takata
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sandvik Materials Technology Deutschland GmbH
                                    Sandvik Materials Technology Deutschland GmbH
                                 Udo  Rauffmann
                                    Udo  Rauffmann
                                 C21 - METALLURGY OF IRON
                                    C21 - METALLURGY OF IRON
                                 NIPPON STEEL & SUMITOMO METAL CORPORATION
                                    NIPPON STEEL & SUMITOMO METAL CORPORATION
                                 Noboru  Hasegawa
                                    Noboru  Hasegawa
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Masakazu  Fujiwara
                                    Masakazu  Fujiwara
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Mark  HAVERKAMP
                                    Mark  HAVERKAMP
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Akihito  YAMANE
                                    Akihito  YAMANE
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 V & M DEUTSCHLAND GMBH
                                    V & M DEUTSCHLAND GMBH
                                 Gerd-Joachim  Deppe
                                    Gerd-Joachim  Deppe
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 SMS INNSE SPA
                                    SMS INNSE SPA
                                 Paolo  Marin
                                    Paolo  Marin
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sandvik Materials Technology Deutschland GmbH
                                    Sandvik Materials Technology Deutschland GmbH
                                 Thomas  Froböse
                                    Thomas  Froböse
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Akihito  YAMANE
                                    Akihito  YAMANE
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Hiroyuki  IWAMOTO
                                    Hiroyuki  IWAMOTO
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Sumitomo Metal Industries, Ltd.
                                    Sumitomo Metal Industries, Ltd.
                                 Hiroyuki  IWAMOTO
                                    Hiroyuki  IWAMOTO
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Hiroyuki  Iwamoto
                                    Hiroyuki  Iwamoto
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Naoya  Hirase
                                    Naoya  Hirase
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Tomio  Yamakawa
                                    Tomio  Yamakawa
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Hiroyuki  Iwamoto
                                    Hiroyuki  Iwamoto
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Kenichi  Sasaki
                                    Kenichi  Sasaki
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Kenichi  Sasaki
                                    Kenichi  Sasaki
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Akihito  Yamane
                                    Akihito  Yamane
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                 Hiroyuki  Iwamoto
                                    Hiroyuki  Iwamoto
                                 B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
                                    B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...