Norio Nagai

Follow

Person

Tokyo-to, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for cooling graphite electrodes used for metal melting and r...
- Patent number 5,795,539
- Issue date Aug 18, 1998
- Nippon Carbon Co., Ltd.
- Fumiyoshi Sakurai
- C21 - METALLURGY OF IRON