Seiji Shimomura

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Chikushino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of elastic graphite materials
- Patent number 5,017,358
- Issue date May 21, 1991
- Dir. General, Agency of Industrial Science and Technology
- Yasuhiro Yamada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES