Siro Kamei

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Mitaka, JA

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Patents Grantslast 30 patents

Information Patent Grant
Monolithic refractory materials
- Patent number 4,069,057
- Issue date Jan 17, 1978
- Nippon Crucible Co., Ltd.
- Siro Kamei
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES