Membership
Tour
Register
Log in
Seung-Sam Lee
Follow
Person
Kyungbuk, KR
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and system for suppressing surface oxide film during hot fin...
Patent number
6,134,933
Issue date
Oct 24, 2000
Mitsubishi Heavy Industries, Ltd.
Mikio Yamamoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...