Tokuda Yoshiaki

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mixing apparatus for powdered or granular materials
- Patent number 4,685,810
- Issue date Aug 11, 1987
- Matsui Manufacturing Co., Ltd.
- Sakakibara Sakuichi
- B28 - WORKING CEMENT, CLAY, OR STONE