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US06960059B2 Blower with a plurality of impellers 有权
鼓风机配有多个叶轮

Blower with a plurality of impellers
摘要:
A blower having a plurality of impellers is described. The blower has two driving devices and two impellers respectively mounted on the two driving devices. The blades of the two impellers, which are radially or axially disposed, are overlapped so as to enhance the heat-dissipating efficiency of the blower.
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