Takashi Sawa

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Kitatsuru-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Automatic door closing hinge and double swing door structure
- Patent number 8,387,210
- Issue date Mar 5, 2013
- Sawa Corporation
- Takashi Sawa
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES