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Torch for gas-shielded electric arc welding
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Argon-arc torch
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Burner for gas-shield arc welding
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Lumber drying recirculation chamber
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Recirculating drier for lumber
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Water-screen shielded-arc welding method
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Method of lumber drying in drier
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Method of lumber drying in drying chamber
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Mass-transfer column with floating packing
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Two-flow gas burner
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Mass-transfer column
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Gas burner
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Block shaft-type drier for drying bulk material
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Plant for removal of oil and oil products from swampy water surface
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Method of withdrawal of majority impurities in batch distillation of ethyl alcohol
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Vortex tray
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Vacuum lattice column
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Tray for running heat-mass-transfer processes
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Vacuum packed sectionalized column
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