PE warning protection plate with tracing function

The utility model relates to the technical field of PE pipeline burying, and provides a PE warning protection plate with a tracing function, which comprises a PE pipe, the PE pipe comprises an outer-layer pipe and an inner-layer pipe, the inner-layer pipe is sleeved on the inner side of the outer-la...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: LIANG SHENGQUAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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