Yasushi Ooba

Follow

Person

Kitakyusyu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Device for adjustment of barrel width of roll type straightener
- Patent number 5,109,687
- Issue date May 5, 1992
- Nippon Steel Corporation
- Yasushi Ooba
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...