Pipe fitting telescopic structure

A pipe fitting telescopic structure relates to the technical field of telescopic structures and comprises an outer pipe provided with a telescopic space in a penetrating mode and an inner pipe arranged in the telescopic space, and the inner pipe can slide in the telescopic space of the outer pipe in...

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Bibliographische Detailangaben
1. Verfasser: ZHONG YUEFEI
Format: Patent
Sprache:chi ; eng
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