Ohkawara Mfg., Co., Ltd.

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Shizuoka, JA

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Patents Grantslast 30 patents

Information Patent Grant
Device for coating granular solids
- Patent number 4,064,831
- Issue date Dec 27, 1977
- Ohkawara Mfg., Co., Ltd.
- Kahei Okawara
- B28 - WORKING CEMENT, CLAY, OR STONE