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JPS59118806A
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Blast tuyere for vertical furnace
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JPS59113985A
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Welding method of tuyere
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JPS59110708A
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Mounting equipment of furnace wall cooler for shaft furnace
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JPS5996207A
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Tip of lance for treating molten metal
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JPS5947313A
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Lance tip for treating molten metal
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JPS5947307A
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Tuyere structural body in blast furnace
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JPS591086A
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Welding wire of copper having high electrical conductivity
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JPS58209486A
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Welding method of copper to iron or steel
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JPS58201700A
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Manufacture of ornamental body in which crystalline pattern of metal is utilized
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JPS58123806A
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Cooling plate of blast furnace
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JPS5825878A
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Welding method for different kind of metals
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JPS5826717A
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Apparatus for turning work
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JPS55141566A
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Forming method of heat resistant, thermal shock resistant protective film on copper or copper alloy surface
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JPS54150303A
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Tuyere cooling construction
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JPS54147107A
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Tuyere cooling construction
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JPS5456925A
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High heat conductive copper casting material
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JPS53123305A
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Installation apparatus of furnace wall cooling body in blast furnace
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JPS5394242A
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Method of welding copper casting or copper plate
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JPS5390109A
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Porous lance nozzle for steel making
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JPS5337522A
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Method of making high conductivity copper castings
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