Yasuji Otsuka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cage mill
- Patent number 4,824,035
- Issue date Apr 25, 1989
- Toshiba Ceramics Co., Ltd.
- Sousuke Naito
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...