Hirosi Asaumi

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Kamakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Neutron-protection heat insulating material
- Patent number 4,303,553
- Issue date Dec 1, 1981
- Nippon Asbestos Co., Ltd.
- Susumu Aoki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES