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JP2005001370A
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Bookmarker
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JP2004293278A
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Freely openable and closable valve of float body for water overflow port of overflow pipe
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JP2003074094A
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Water level environment opening-closing device of water overflow port of overflow pipe
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JPH11313855A
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Prevention device of backward movement of wheelchair
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JPH09177018A
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Snow melting roadbed having heating element of metal or the like
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JPH09177013A
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Peeling road material for accreted snow and ice
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JPH06165799A
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Back stop mechanism of wheel chair
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JPH0314751A
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Snow/ice attachment and freezing preventive device for car window glass by enclosed warm wind circulation system
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JPH0298354A
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Wheel chair having independent hand rim
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JPS61110622A
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Wheeled chair equipped with crank-driven front wheels
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JPS6077756A
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Two-step gearbox and two-step speed variable back stop apparatus of wheelchair
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JPS5911852A
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Wheelchair capable of being driven even if grasping power is weak
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JPS5964044A
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Two-step speed changing apparatus and two-step speed changi-ng back stop apparatus of wheelchair
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JPS55108360A
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Backkstop mechanism of wheelchair
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JPS5547854A
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Wheelchair that can be driven without grasping power
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JPS54154185A
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Lever drive system wheelchair
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