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CN107541651A
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A kind of heat resistant type white cast-iron and its manufacture method with high tenacity
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CN107541650A
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The white cast-iron and its manufacture method of highly corrosion resistant
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CN107541644A
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Possess the white cast-iron and its manufacture method of high rigidity under a kind of condition of high temperature
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CN107541642A
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A kind of hypereutectic white iron and its manufacture method
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CN107541652A
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White cast-iron and Technology for Heating Processing with break resistance
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CN107435119A
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The alloy steel gear of flank of tooth plastic deformation can be reduced
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CN107435126A
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A kind of powder metallurgy formula alloy steel gear
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CN107432136A
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It is easy to unload the seed-dressing device of kind
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CN107432137A
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Rabbling mechanism adjustable seed coating device
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CN107435124A
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High tungsten ledeburite pinion steel of hard high-wearing feature and preparation method thereof
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CN106742487A
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A kind of chopsticks case
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