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JPS603343A
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Fire resistant apparatus of metal structure
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JPS59210157A
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Mold frame receiving and hanging scaffold frame of beam withwall
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JPS59206509A
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Noise preventing apparatus of iron beam and pillar of track
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JPS59177472A
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Separator for concrete body construction
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JPS55145275A
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Tie bar for tightening concrete form
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JPS55112968A
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Device for economizing energy by utilizing hollow part of buried stake
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JPS54143941A
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Water storing pipe of fuel economizer of water heater
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JPS54135423A
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Tieebar for fastening concrete flask
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JPS549424A
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Steel support for molding flask for reinforced concrete beam
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JPS53114703A
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Large diameter drilled hole and taper drilled hole device by rock drill
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JPS5369223A
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Prevention of cracking in concrete and mortar and aggregate increases strength
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JPS52124343A
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Sunbeam condensing and transmitting barrel
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JPS51135109A
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Device for removing earth and sand adhering to screw cutting edge of auger
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