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JPS5750237A
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Regeneration of casting sand
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JPS5741395A
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Electroplating method
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JPS56128666A
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Automatic pouring device
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JPS56119720A
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Continuously annealing method and furnace
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JPS56117856A
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Method and device for regeneration of molding sand
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JPS5618188A
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Manufacture of casted pipe joint
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JPS55156664A
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Molding method of amorphous refractory
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JPS55142536A
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Method and apparatus for granulation of powder
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JPS55127172A
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Coating method of resin layer to metal substrate surface
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JPS5582937A
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Airtightness inspecting method of double pipe and its device
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JPS5577972A
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Mold treating method
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JPS5575852A
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Production of cast pipe joint
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JPS54161532A
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Regenerating cast sand and apparatus therefor
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JPS54161179A
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Method of electrically cutting existing conduit and insulated joint used for said method
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JPS54150163A
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Automatic tester for screw member
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JPS54137182A
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Installed guide pipe cutting method and its device
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JPS54120251A
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Rust preventing treatment of cutting processed article
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JPS5420051A
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Surface coating method of pipe joints
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JPS541393A
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Thin metal plate with resin coating and its making method
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JPS52134794A
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Method of and apparatus for testing stability of mold surface
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