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High-precision rotating dividing disc
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Electric barring tool device
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Improved bisection clamp structure for sleeve coupling
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Improved pump shaft sleeve structure for horizontal split double-entry pump
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Improved guide bearing support structure of inclined and horizontal axial-flow pump
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Blade anti-loosening gasket structure
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Large vertical type water pump jacking axis deflection error detecting method
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Inner sphere detection device of improved vertical water pump blade
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Key groove lineation sample plate
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2011-06-30
Symmetry detection method for coupler keyway
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Automatic packing adjusting and sealing structure for water pump unit
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2011-06-30
Improved sleeve coupling hoisting structure for circulating water pump
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Improved sealing ring structure for horizontal middle opening double suction pump
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2011-06-30
Method for ensuring inclination angle of blades of water pump
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Improved thrust bearing structure of inclined axial-flow pump
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2011-06-30
Improved pump shaft connecting structure of water circulating pump
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Machine seal sand-prevention structure adopted by horizontal type middle-opened double-entry pump
