Hiroshi Kurozumi

Follow

Person

Sakai, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for extraction of highly purified oxygen
- Patent number 4,519,813
- Issue date May 28, 1985
- Osaka Oxygen Industries Ltd.
- Zenzi Hagiwara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL