Fumiuki Kobayashi

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sealed structure and production method thereof
- Patent number 4,872,606
- Issue date Oct 10, 1989
- Hitachi, Ltd.
- Motohiro Satoh
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES