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US5474429A Fluid-displacement apparatus especially a blower 失效
排液装置,特别是鼓风机

Fluid-displacement apparatus especially a blower
摘要:
A fluid-displacement apparatus, especially a blower, has a stator of an electric motor directly driving the impeller integrated in the flow passage housing while the rotor of the electric motor is surrounded by the stator and is mounted on the ends of the blades of the impeller or propeller.
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