Sumitomo Kensetsu Kabushiki Kaisha

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Earthquake-proofing device of peripherally restraining type
- Patent number 5,233,800
- Issue date Aug 10, 1993
- Sumitomo Gomu Kogyo Kabushiki Kaisha
- Teruo Sasaki
- E04 - BUILDING