Tadashi Hayashi

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Holder for sealing member
- Patent number 4,873,208
- Issue date Oct 10, 1989
- Kabushiki Kaisha Toshiba
- Mitsuhiro Nagata
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES