PE pipeline

The utility model discloses a PE pipeline, including duct main body, tracer line, tracer line connecting piece, above -mentioned tracer line includes PE external coating, copper layer, steel core, and wrap up inside PE external coating on above -mentioned copper layer, and the steel core wraps up in...

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Bibliographische Detailangaben
Hauptverfasser:	JING XUEZHUAN, ZHU LONGJIE, CHEN TIANLIN, SHI YANQIN, LOU HONGYAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETECTING MASSES OR OBJECTS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MEASURING MECHANICAL ENGINEERING PHYSICS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TESTING THERMAL INSULATION IN GENERAL WEAPONS
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