Shoichiro Kai

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Nobeoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Capsule for use in fixing an anchor bolt
- Patent number 5,544,981
- Issue date Aug 13, 1996
- Asahi Kasei Kogyo Kabushiki Kaisha
- Seiji Nishida
- E21 - EARTH DRILLING MINING