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Draw-string mechanism for crossbows
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A kind of Spinning for movement of standing
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A kind of nanometer painting structure and its application process recycling treated sewage
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A kind of antibacterial and deodouring fabric easy to clean and preparation method thereof
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A kind of surgical endoscope sterile connection device
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The adjustable nerve endoscope passage of one kind visualization
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Dustproof filter mask
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Patient-oriented hospital online inquiry system
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Nickel-chrome alloy furnace wire bending process adopting screw rod type clamping device
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Integral pedaling method for automobile accelerator and brake
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Translational stacking type stereo garage
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Dryness indicator for an absorbent article
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Non-tacky wetness indicator composition for application on a polymeric substrate
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Self-preheating engine
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