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Hiroshi Miyanokoshi
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Jushiyama-mura, JP
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Patent Grant
Drive assembly for opening and closing a rolling door
Patent number
6,412,539
Issue date
Jul 2, 2002
Sanwa Shutter Kogyo Kabushiki Kaisha
Takanobu Kuribayashi
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS