Syoji Sakakibara

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a gypsum plaster board
- Patent number 4,392,896
- Issue date Jul 12, 1983
- Sakakibara Sangyo Kabushiki Kaisha
- Syoji Sakakibara
- B28 - WORKING CEMENT, CLAY, OR STONE