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JP2011179294A
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Reinforcing material of shutter
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Driving device for shutter
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Falling and rising mechanism of hanger-door
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Windings mechanism of balance-type shutter
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Guide rail of overhead door
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Winding drive device of winding type balance shutter
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Road information offering system
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Shrinkage following bolt
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Slip-off prevention of bolt and nail
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Slat for shutter
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Eaves exclusive roof tile
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