Shigeo Tooyama

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Gas purification method
- Patent number 6,471,749
- Issue date Oct 29, 2002
- Nippon Sanso Corporation
- Masato Kawai
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...