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It is exclusively used in the pressure ceroplastic of essence casting Ludox
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It is exclusively used in the dewaxing technique of essence casting Ludox
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A kind of coal winning machine cutting bit and its processing technology
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A kind of high rigidity coat of metal wear resistant cutting pick
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Agriculture apparatus and its production method
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A kind of axe and its production method with service life length
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A kind of excavator bucket teeth and its production method
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Agriculture apparatus
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A kind of agricultural colter
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A kind of agricultural colter and its production method
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A kind of strong axe of wearability
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