Shinichiro Oosawa

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Toyokawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for making heat insulating firebricks
- Patent number 4,307,199
- Issue date Dec 22, 1981
- Isolite Insulating Products Co., Ltd.
- Eiji Horie
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES