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Machining method of combined gear
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Method for manufacturing radial mark of fastener
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Connecting device of floating assembly and using method thereof
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Continuous net band heat-treatment furnace feeding accurate control device
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A kind of bolt stamp device
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A kind of cold upsetting die of car structure
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A kind of helicitic texture of locking screw
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The processing method that pressing-riveting bolt rubs frid service life with the hands can be extended
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A kind of production method of cold upsetting die of car
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The eccentric groove processing method of disposal molding eccentric bolt
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A kind of tensioning apparatus made on butterfly optical cable assembly line
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A kind of cable shield aluminium foil coating mould
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A kind of environmental protection automatic oil water separation device
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Die for manufacturing bowl-shaped piston
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Bowl-shaped plug manufacturing method
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Quenching method for metal work-pieces
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