Seizi Hirata

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Niihama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of discharging slurry by varying valve openings
- Patent number 4,257,533
- Issue date Mar 24, 1981
- Sumitomo Chemical Company, Limited
- Kiyoshi Matsuyama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL