Shogo Yukawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric blind apparatus
- Patent number 4,856,574
- Issue date Aug 15, 1989
- Sharp Kabushiki Kaisha
- Katsuji Minami
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS