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JP2014067107A
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Integration of search screen and data of user
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JPS63304813A
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Circulation use of water for hydraulic power
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JPS63207793A
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Structure of hydrofoil craft with propeller, float rudder and vertical rudder
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JPS63116994A
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Underwater tractor propeller for ship
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JPS61252894A
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Suction pump structure
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JPS61215460A
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Hydraulic power generation plant for vessel
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JPS61215462A
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Hydraulic power generation plant employing pascal tube
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JPS61215463A
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Circulation hydraulic power generation plant utilizing pascal tube
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JPS61215461A
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Power generation plant utilizing sea water and the like
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JPS54139219A
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Concrete floor for earthquakeeproof and fireeproof
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JPS5419518A
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Concrete panel resistant to earthquake and fire
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JPS53136317A
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Fire proofing concrete bloc wall body
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JPS53117215A
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Earthquakeeproof steel beam
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JPS53117214A
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Steel beam reinforced by brace
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