-
-
Apparatus for sizing of tubes
-
Patent number 4,519,230
-
Issue date May 28, 1985
-
Fiziko-Tekhnichesky Institut Akademii Nauk Belorusskoi SSR
-
Viktor N. Chachin
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
-
Hydropunch for use in a press
-
Patent number 4,344,313
-
Issue date Aug 17, 1982
-
Viktor N. Chachin
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
-
-
-
Device for electrohydraulic die-forging
-
Patent number 4,068,514
-
Issue date Jan 17, 1978
-
Viktor Nikolaevich Chachin
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
-
Device for electrical discharge forming
-
Patent number 4,030,329
-
Issue date Jun 21, 1977
-
Viktor Nikolaevich Chachin
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
-