Flange member, noice silencer, tube end closure or connection device, and forming method and device.

法兰部件，消声器，管端闭锁或联结装置及其形成方法和装置。

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Input Method: electrical Direct, electrical connection, or a belt input shaft, flange type connection.

输入方式：电机直联、电机皮带联接或输入轴、联接法兰输入。

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Input Method: electrical Direct, electrical connection, or a belt input shaft, flange type connection.

输入方式：电机直联、电机皮带联接或输入轴、联接法兰输入。

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