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CN111843389A
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Centrifugal pump volute machining method
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Gear pump
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Welding method of thin-wall bearing piece
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Welding method of filter
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Integrated valve bank for air supply control
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Novel liquid filling equipment
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Test device for detecting tightness of workpiece
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Workpiece quick-change tool for lathe
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Two-dimensional bidirectional flowmeter
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Gear pump floating side plate design method
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Two-dimensional electromagnetic valve
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Gear pump
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Hydraulic control valve
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Control valve
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Cam machining method
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Test tool for multi-plunger type pipeline assembly
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A kind of method that Design of gear pump volumetric efficiency calculates
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A kind of glue-pouring method of valve class product
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Double safety valve
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A kind of switch valve increasing the response time
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