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JZQ-type reducer sealing device
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Space cross shaft hole machining method
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Special centrifugal end face driving center
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Eccentric sleeve machining method
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Mechanical weeding device
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Stress testing device of marine rig
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Machining method of large modulus inner gear ring
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Gravity filling valve
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Laser alloying fixture for valve-spool-end-cap working face
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Precise cold drawing machine clamping device
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Vehicle-mounted antenna inclining device
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Eccentric shaft machining method
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Split-type roller mounting and demounting device
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Special centrifugal-type elastic clamping head
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Fly-cutter type paper angle bead cutting device
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Rolling-type wire drawing lubricating device
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