by Alexandr Nikolaevich Cherchintsev administrator

Follow

Person

Moscow, SU

People

Patents Grantslast 30 patents

Information Patent Grant
Two-roll machine for rolling-out disc-type articles
- Patent number 3,939,684
- Issue date Feb 24, 1976
- Alexei Kirillovich Ignatiev
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...