Kiyoshi Sakagami

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Funabashishi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing concrete by use of multi-layer pan type mixer
- Patent number 4,403,863
- Issue date Sep 13, 1983
- Pacific Metals, Co., Ltd.
- Takeshi Fukushima
- B28 - WORKING CEMENT, CLAY, OR STONE