Novel composite directly-buried steam heat preservation pipe network system

The invention provides a novel composite directly-buried steam heat preservation pipe network system which is formed by connecting a plurality of pipelines in series, and each pipeline comprises a plurality of steam heat preservation steel pipes which are sequentially connected end to end. An inner...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LIU LINGCHENG
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 PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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