Restoration construction method for in-service oil gas pipeline which encounters with collapse and destruction of worked-out section

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Bibliographische Detailangaben
Hauptverfasser:	LIU XIN, SUN WANDONG, WANG HAILONG, JIANG YONG, DOU ZENGFU, NIU MAIZHEN, ZHANG WENZHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPE-LINE SYSTEMS PIPE-LINES PIPES STORING OF DISTRIBUTING GASES OR LIQUIDS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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