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CN103818691A
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Lead screw transmission device
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CN103822448A
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Particle drying machine
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CN103821893A
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Novel screw rod
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CN103821895A
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Screw rod
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CN103821879A
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Vertical type reduction gearbox
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CN103821894A
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Rolling ball lead screw
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CN103821978A
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Explosion venting valve
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CN103821877A
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Gearbox
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CN103821844A
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Brake device
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CN103821953A
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Butterfly valve
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CN102989003A
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Method for preparing oral naproxen-cyclodextrin inclusion
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CN102993169A
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Method for refining crude lenalidomide product
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CN102992026A
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Novel double-layer air locking material feeder
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CN102979955A
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Worm drive dust discharging ball valve with function of cleaning
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CN102996836A
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Jaw-type gate for filtering through vibration
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CN102996894A
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Butterfly valve with alarm function
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CN102996878A
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Novel side three material distributing valve
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CN102996827A
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Novel electric louver valve
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CN102997040A
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Gas drainer capable of preventing blocking and observing water level
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CN102996872A
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Explosion venting valve capable resetting automatically
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