Masaaki Ichimura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for demolishing durable structures
- Patent number 4,713,115
- Issue date Dec 15, 1987
- Sumitomo Cement Co., Ltd.
- Masao Sato
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES