Masatake Yamamoto

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Fukuoka city, Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite hollow filamentary film of porous ceramics and process fo...
- Patent number 5,810,912
- Issue date Sep 22, 1998
- Shigeo Akiyama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES