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US09327256B2 Impeller assembly apparatus and method 有权
叶轮装配装置及方法

Impeller assembly apparatus and method
摘要:
A mixing apparatus and system includes a hub, a plurality of blades, and a respective hinge for each blade to pivotally secure each blade to the hub. Each hinge including a lock having a tab and a detent to secure the respective blade in an operating conformation.
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