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New gear gearbox
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A kind of machine oil filter core recovery method
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CN110318710A
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A kind of partial gear reversing-type pumping unit and working method
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A kind of damping device and its application method
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CN110242090A
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A kind of Self-resetting shock-absorption damper and assembling constructing method
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A kind of reciprocating motion gearbox
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A kind of 3D printer and application method of printable camber line
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A kind of energy-dissipation shock-absorbing damp component and its construction method
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CN110036763A
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Fruit picking vehicle
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CN109989687A
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A kind of high level escape window
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CN109958744A
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A kind of optimization method of pulse-type continuously variable transmission and its non-circular gear
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CN109883697A
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A kind of RV retarder return difference measuring test-bed
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