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Pressure reducing valve
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Helium pressure reducing valve
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Airplane hydraulic pressure oil pump ground drives testing equipment
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Oil tank and external oil cooler unit outside aero-engine
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Aero-engine fuel oil supply system
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A kind of horizontal stripes for lifting device and vertical bands engaging structure
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A kind of spiral lift device
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A kind of reprinting docking and power transmission
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One kind transporting roller-way transferring device safely
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A kind of high temperature, high pressure, angle swinging test system
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Fresh shrimp shellfish intelligence extrusion machining equipment
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A kind of pressure gauge automatic flushing device and method
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Pipe joint gas leakage collection device
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Compound pneumatic filter
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Pipeline leakage detection device and detection method
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Helicopter rotor hub bridle test board and test method therefor
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Automatic polishing device for spherical joints
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