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A kind of band rust japanning for mine mechanism brushing
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A kind of anti-corrosive primer of mining production machinery
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A kind of annealing and cooling device of hot rolling steel ball
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A kind of staged heat-exchanger rig for abrasion-proof steel ball Q-tempering
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A kind of moltening mold castings complex wax
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A kind of sorting pipe of abrasion-proof steel ball
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A kind of cast blank part anticorrosive paint and its manufacturing process
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A kind of casting and forming oil spout and its manufacturing process
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A kind of aluminium alloy founding materials and its manufacturing process containing various metals
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A kind of high-chromium alloy abrading-ball alterant and preparation method thereof
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