Crane pipe convenient to disassemble and assemble

The crane pipe comprises a first crane pipe body, an annular groove is formed in the position, close to the edge, of the right end of the first crane pipe body, a second crane pipe body is arranged on the right side of the first crane pipe body, and fixing rings are fixedly arranged at the position,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: PANG BAOXUE
Format: Patent
Sprache:chi ; eng
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