Method and device for testing under-pressure maintenance and first-aid repair recovery performance of polyethylene pipeline

The invention provides a method and device for testing the recovery performance of maintenance and repair under pressure of a polyethylene pipeline, and the method comprises the steps: cutting a polyethylene pipe, obtaining a plurality of pipe section samples, processing the pipe section samples, an...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI HOUBU, ZHANG DONGNA, ZHANG ZHAO, SHAO XIAODONG, DING HAN, QI GUOQUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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