Shinzi Hayata

Follow

Person

Waki, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for production of gas-permeable seamless pipes
- Patent number 4,008,024
- Issue date Feb 15, 1977
- Mitsui Petrochemical Industries, Ltd.
- Sadaaki Yokota
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE