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US5870420A Cross-flow blower with braces 失效
带大括弧的横流鼓风机

Cross-flow blower with braces
摘要:
A trussed cross-flow blower comprising truss elements on the inside of a cylindrically-shaped cross-flow blower element form at least three trusses which provide rigidity to the blower element. Preferably three trusses are provided, and they are located at radial 120.degree. spacings.
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