Weather-resistant double-layer winding pipe with smooth inner wall

The utility model is suitable for the technical field of pipeline fittings. The utility model provides a weather-resistant double-layer winding pipe with a smooth inner wall. The device comprises a pipe body mechanism and a connecting mechanism, the pipe body mechanism comprises a pipe body, a reinf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: YANG SONGBIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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