Drawing materials of special alloys so far as the composition of the alloy requires or permits special drawing methods or sequences

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B21C1/003

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BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL B21C1/00Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing

Current Industry

B21C1/003Drawing materials of special alloys so far as the composition of the alloy requires or permits special drawing methods or sequences

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Electrode lead with a porous layer for electrical discharge machining
- Patent number 12,042,874
- Issue date Jul 23, 2024
- THERMOCOMPACT
- Michel Ly
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lumen stent and preform thereof, and methods for preparing the lume...
- Patent number 11,969,368
- Issue date Apr 30, 2024
- Biotyx Medical (Shenzhen) Co., Ltd.
- Deyuan Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel wire
- Patent number 11,952,650
- Issue date Apr 9, 2024
- Nippon Steel Corporation
- Shinya Teramoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing aluminum alloy extruded material
- Patent number 11,827,967
- Issue date Nov 28, 2023
- AISIN KEIKINZOKU CO., LTD.
- Karin Shibata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Forming process using an outer sacrificial layer
- Patent number 11,730,950
- Issue date Aug 22, 2023
- Heraeus Deutschland GmbH & Co. KG
- Bernd Spaniol
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for manufacturing a biocompatible wire
- Patent number 11,697,869
- Issue date Jul 11, 2023
- Heraeus Deutschland GmbH & Co. KG
- Heiko Specht
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing cold-forged, extruded aluminum alloy tube
- Patent number 11,638,943
- Issue date May 2, 2023
- Jin Yuncheng Enterprise Co., Ltd.
- Kun-Tzu Lin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Chassis for small electronic device and method for forming same, an...
- Patent number 11,633,769
- Issue date Apr 25, 2023
- RESONAC PACKAGING CORPORATION
- Masanori Takeuchi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for converting wire rod of nonferrous metals and alloys ther...
- Patent number 11,400,500
- Issue date Aug 2, 2022
- Giulio Properzi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Lumen stent and preform thereof, and methods for preparing lumen st...
- Patent number 11,389,308
- Issue date Jul 19, 2022
- Biotyx Medical (Shenzhen) Co. Ltd.
- Deyuan Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Fabrication of high-entropy alloy wire and multi-principal element...
- Patent number 11,198,197
- Issue date Dec 14, 2021
- H.C. Starck Inc.
- David B. Smathers
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Methods for creating a zinc-metal oxide layer in metal components f...
- Patent number 11,136,660
- Issue date Oct 5, 2021
- Electric Power Research Institute, Inc.
- John Morrison Riddle
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Additive manufacturing utilizing metallic wire
- Patent number 11,077,524
- Issue date Aug 3, 2021
- H.C. Starck Inc.
- David B. Smathers
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Copper-coated magnesium wire and method for manufacturing the same
- Patent number 11,052,442
- Issue date Jul 6, 2021
- Totoku Electric Co., Ltd.
- Hiroshi Kitazawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Alloying-element additive and method of manufacturing copper alloy
- Patent number 11,053,569
- Issue date Jul 6, 2021
- Hitachi Metals, Ltd.
- Keisuke Fujito
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Systems and methods for drawing high aspect ratio metallic glass-ba...
- Patent number 10,941,472
- Issue date Mar 9, 2021
- Metal Morphing Technologies, Inc.
- Thomas M. Hodges
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Production method for a ring electrode
- Patent number 10,933,233
- Issue date Mar 2, 2021
- Heraeus Deutschland GmbH & Co. KG
- Christiane Leitold
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Scale-style micro-texture electrode wire material and preparation m...
- Patent number 10,926,345
- Issue date Feb 23, 2021
- NINGBO KANGQIANG MICRO-ELECTRONICS TECHNOLOGY CO., LTD.
- Eryong Liu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for forming a hollow of a ferritic FeCrAl alloy into a tube
- Patent number 10,882,090
- Issue date Jan 5, 2021
- Sandvik Materials Technology Deutschland GmbH
- Thomas Froböse
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing aluminum wire
- Patent number 10,829,843
- Issue date Nov 10, 2020
- Autonetworks Technologies, Ltd.
- Fumitoshi Imasato
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Aluminium-alumina composite material and its method of preparation
- Patent number 10,811,161
- Issue date Oct 20, 2020
- NEXANS
- Nicolas Masquelier
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Drawing process and wire obtained by drawing process
- Patent number 10,787,721
- Issue date Sep 29, 2020
- Compagnie Generale des Etablissements Michelin
- Arnaud Verleene
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electrical cable with improved resistance to galvanic corrosion
- Patent number 10,734,130
- Issue date Aug 4, 2020
- NEXANS
- Sébastien Dablement
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Aluminum alloy wire, aluminum alloy strand wire, covered electrical...
- Patent number 10,706,986
- Issue date Jul 7, 2020
- Sumitomo Electric Industries, Ltd
- Misato Kusakari
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Fabrication of high-entropy alloy wire and multi-principal element...
- Patent number 10,668,566
- Issue date Jun 2, 2020
- H.C. Starck Inc.
- David B. Smathers
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Copper alloy wire rod
- Patent number 10,626,483
- Issue date Apr 21, 2020
- Furukawa Electric Co., Ltd.
- Shigeki Sekiya
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Low-temperature high-strength-and-ductility high manganese steel, a...
- Patent number 10,597,742
- Issue date Mar 24, 2020
- Yanshan University
- Yu hui Wang
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for producing a high-grade steel tube and high-grade steel...
- Patent number 10,597,743
- Issue date Mar 24, 2020
- Sandvik Materials Technology Deutschland GmbH
- Jonas Guhrs
- C21 - METALLURGY OF IRON
Information Patent Grant
Electrode wire for electrical discharge machining and method of man...
- Patent number 10,589,369
- Issue date Mar 17, 2020
- OKI ELECTRIC CABLE CO., LTD.
- Yoichiro Kimoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for producing aluminum rod and aluminum wire
- Patent number 10,518,304
- Issue date Dec 31, 2019
- Southwire Company, LLC
- Jeffrey D. Herrin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Lumen Stent and Preform thereof, and Methods for Preparing the Lume...
- Publication number 20240261119
- Publication date Aug 8, 2024
- Biotyx Medical (Shenzhen) Co., Ltd.
- Deyuan Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH STRENGTH, COMBUSTION-RESISTANT, TUBE-EXTRUDABLE AIRCRAFT-GRADE...
- Publication number 20240247343
- Publication date Jul 25, 2024
- Mag Specialties, Inc.
- Scott C. Sutton
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
STEEL WIRE
- Publication number 20230392244
- Publication date Dec 7, 2023
- NIPPON STEEL CORPORATION
- Shinya TERAMOTO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR MANUFACTURING A BIOCOMPATIBLE WIRE
- Publication number 20230340654
- Publication date Oct 26, 2023
- Heraeus Deutschland GmbH & Co. KG
- Heiko Specht
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ALUMINUM-SCANDIUM ALLOYS FOR BUSBARS
- Publication number 20230290534
- Publication date Sep 14, 2023
- YAZAKI CORPORATION
- Kyle Deane
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
BRASS COATED STEEL CORD WITH INCREASED IRON CONTENT AT THE SURFACE
- Publication number 20230228032
- Publication date Jul 20, 2023
- N.V. BEKAERT S.A.
- Degui XIA
- B60 - VEHICLES IN GENERAL
Information Patent Application
STEEL MATERIAL FOR A TORSIONALLY STRESSED COMPONENT, METHOD FOR PRO...
- Publication number 20220275468
- Publication date Sep 1, 2022
- SALZGITTER FLACHSTAHL GMBH
- Michael Braun
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
TUNGSTEN WIRE AND SAW WIRE
- Publication number 20220098708
- Publication date Mar 31, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- Tomohiro KANAZAWA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
RING ELECTRODE FOR A MEDICAL DEVICE
- Publication number 20220040474
- Publication date Feb 10, 2022
- Heraeus Deutschland GmbH & Co. KG
- Bernd SPANIOL
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
FORMING PROCESS USING AN OUTER SACRIFICIAL LAYER
- Publication number 20220040744
- Publication date Feb 10, 2022
- Heraeus Deutschland GmbH & Co. KG
- Bernd SPANIOL
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ELECTRODE LEAD WITH A POROUS LAYER FOR ELECTRICAL DISCHARGE MACHINING
- Publication number 20210197301
- Publication date Jul 1, 2021
- THERMOCOMPACT
- Michel Ly
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HIGH STRENGTH, COMBUSTION-RESISTANT, TUBE-EXTRUDABLE AIRCRAFT-GRADE...
- Publication number 20210062306
- Publication date Mar 4, 2021
- Mag Specialties, Inc.
- Scott C. Sutton
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR MANUFACTURING COLD-FORGED, EXTRUDED ALUMINUM ALLOY TUBE
- Publication number 20200324328
- Publication date Oct 15, 2020
- JIN YUNCHENG ENTERPRISE CO., LTD.
- Kun-Tzu LIN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method for Making Metal Wire for Wire Electrical Discharge Machinin...
- Publication number 20200316679
- Publication date Oct 8, 2020
- Bfuture Metal Group Limited
- Mei-Chuan Tsai
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR CONVERTING WIRE ROD OF NONFERROUS METALS AND ALLOYS THER...
- Publication number 20200298296
- Publication date Sep 24, 2020
- Giulio PROPERZI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PRODUCING ALUMINUM ALLOY EXTRUDED MATERIAL
- Publication number 20200270729
- Publication date Aug 27, 2020
- AISIN KEIKINZOKU CO.,LTD.
- Karin Shibata
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ALUMINUM ALLOY WIRE, ALUMINUM ALLOY STRAND WIRE, COVERED ELECTRICAL...
- Publication number 20200075191
- Publication date Mar 5, 2020
- Sumitomo Electric Industries, Ltd.
- Misato KUSAKARI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALUMINIUM-ALUMINA COMPOSITE MATERIAL AND ITS METHOD OF PREPARATION
- Publication number 20190304618
- Publication date Oct 3, 2019
- NEXANS
- Nicolas MASQUELIER
- B22 - CASTING POWDER METALLURGY
Information Patent Application
COPPER-COATED MAGNESIUM WIRE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20190283097
- Publication date Sep 19, 2019
- TOTOKU ELECTRIC CO., LTD.
- Hiroshi KITAZAWA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PRODUCTION METHOD FOR A RING ELECTRODE
- Publication number 20190255317
- Publication date Aug 22, 2019
- Heraeus Deutschland GmbH & Co. KG
- Christiane Leitold
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
A Method For Forming A Hollow Of A Ferritic FeCrAl Alloy Into A Tube
- Publication number 20190193131
- Publication date Jun 27, 2019
- Sandvik Materials Technology Deutschland GmbH
- Thomas FROBÖSE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ELECTRICAL CABLE WITH IMPROVED RESISTANCE TO GALVANIC CORROSION
- Publication number 20190164660
- Publication date May 30, 2019
- NEXANS
- Sébastien DABLEMENT
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COPPER ALLOY WIRE AND MANUFACTURING METHOD THEREOF
- Publication number 20190161841
- Publication date May 30, 2019
- Metal Industries Research & Development Centre
- Tung-Chen CHENG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR MANUFACTURING A CABLE
- Publication number 20180366239
- Publication date Dec 20, 2018
- Heraeus Deutschland GmbH & Co. KG
- René RICHTER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR MANUFACTURING A PASSIVATED PRODUCT
- Publication number 20180363146
- Publication date Dec 20, 2018
- Heraeus Deutschland GmbH & Co. KG
- René RICHTER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SAW WIRE AND CUTTING APPARATUS
- Publication number 20180326519
- Publication date Nov 15, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- Tomohiro KANAZAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SAW WIRE AND CUTTING APPARATUS
- Publication number 20180326518
- Publication date Nov 15, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- Tomohiro KANAZAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
COPPER ALLOY WIRE AND MANUFACTURING METHOD THEREOF
- Publication number 20180148816
- Publication date May 31, 2018
- Metal Industries Research & Development Centre
- Tung-Chen CHENG
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HIGH-CARBON STEEL WIRE MATERIAL WITH EXCELLENT WIRE DRAWABILITY, AN...
- Publication number 20180087125
- Publication date Mar 29, 2018
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Tomonobu ISHIDA
- C21 - METALLURGY OF IRON
Information Patent Application
GOLD EVAPORATIVE SOURCES WITH REDUCED CONTAMINANTS AND METHODS FOR...
- Publication number 20180029096
- Publication date Feb 1, 2018
- Praxair S. T. Technology, Inc.
- Wendell R. Stuber
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Drawing materials of special alloys so far as the composition of the alloy requires or permits special drawing methods or sequences

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Electrode lead with a porous layer for electrical discharge machining

Lumen stent and preform thereof, and methods for preparing the lume...

Steel wire

Method for producing aluminum alloy extruded material

Forming process using an outer sacrificial layer

Method for manufacturing a biocompatible wire

Method for manufacturing cold-forged, extruded aluminum alloy tube

Chassis for small electronic device and method for forming same, an...

Method for converting wire rod of nonferrous metals and alloys ther...

Lumen stent and preform thereof, and methods for preparing lumen st...

Fabrication of high-entropy alloy wire and multi-principal element...

Methods for creating a zinc-metal oxide layer in metal components f...

Additive manufacturing utilizing metallic wire

Copper-coated magnesium wire and method for manufacturing the same

Alloying-element additive and method of manufacturing copper alloy

Systems and methods for drawing high aspect ratio metallic glass-ba...

Production method for a ring electrode

Scale-style micro-texture electrode wire material and preparation m...

Method for forming a hollow of a ferritic FeCrAl alloy into a tube

Method for producing aluminum wire

Aluminium-alumina composite material and its method of preparation

Drawing process and wire obtained by drawing process

Electrical cable with improved resistance to galvanic corrosion

Aluminum alloy wire, aluminum alloy strand wire, covered electrical...

Fabrication of high-entropy alloy wire and multi-principal element...

Copper alloy wire rod

Low-temperature high-strength-and-ductility high manganese steel, a...

Process for producing a high-grade steel tube and high-grade steel...

Electrode wire for electrical discharge machining and method of man...

Method for producing aluminum rod and aluminum wire

Patents Applicationslast 30 patents

Lumen Stent and Preform thereof, and Methods for Preparing the Lume...

HIGH STRENGTH, COMBUSTION-RESISTANT, TUBE-EXTRUDABLE AIRCRAFT-GRADE...

STEEL WIRE

METHOD FOR MANUFACTURING A BIOCOMPATIBLE WIRE

ALUMINUM-SCANDIUM ALLOYS FOR BUSBARS

BRASS COATED STEEL CORD WITH INCREASED IRON CONTENT AT THE SURFACE

STEEL MATERIAL FOR A TORSIONALLY STRESSED COMPONENT, METHOD FOR PRO...

TUNGSTEN WIRE AND SAW WIRE

RING ELECTRODE FOR A MEDICAL DEVICE

FORMING PROCESS USING AN OUTER SACRIFICIAL LAYER

ELECTRODE LEAD WITH A POROUS LAYER FOR ELECTRICAL DISCHARGE MACHINING

HIGH STRENGTH, COMBUSTION-RESISTANT, TUBE-EXTRUDABLE AIRCRAFT-GRADE...

METHOD FOR MANUFACTURING COLD-FORGED, EXTRUDED ALUMINUM ALLOY TUBE

Method for Making Metal Wire for Wire Electrical Discharge Machinin...

METHOD FOR CONVERTING WIRE ROD OF NONFERROUS METALS AND ALLOYS THER...

METHOD FOR PRODUCING ALUMINUM ALLOY EXTRUDED MATERIAL

ALUMINUM ALLOY WIRE, ALUMINUM ALLOY STRAND WIRE, COVERED ELECTRICAL...

ALUMINIUM-ALUMINA COMPOSITE MATERIAL AND ITS METHOD OF PREPARATION

COPPER-COATED MAGNESIUM WIRE AND METHOD FOR MANUFACTURING THE SAME

PRODUCTION METHOD FOR A RING ELECTRODE

A Method For Forming A Hollow Of A Ferritic FeCrAl Alloy Into A Tube

ELECTRICAL CABLE WITH IMPROVED RESISTANCE TO GALVANIC CORROSION

COPPER ALLOY WIRE AND MANUFACTURING METHOD THEREOF

METHOD FOR MANUFACTURING A CABLE

METHOD FOR MANUFACTURING A PASSIVATED PRODUCT

SAW WIRE AND CUTTING APPARATUS

SAW WIRE AND CUTTING APPARATUS

COPPER ALLOY WIRE AND MANUFACTURING METHOD THEREOF

HIGH-CARBON STEEL WIRE MATERIAL WITH EXCELLENT WIRE DRAWABILITY, AN...

GOLD EVAPORATIVE SOURCES WITH REDUCED CONTAMINANTS AND METHODS FOR...