Protective airtight through-wall pipe casing pipe

A protective airtight through-wall pipe casing pipe comprises a through-wall pipe for a civil air-defense wall body and a water supply and discharge system. A steel casing pipe is sleeved outside the through-wall pipe, a wing ring is welded outside the steel casing pipe, and a fixed flange is welded...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MA LI, LIU KUN, WANG JIE, WANG QUANKUI, XU RUYUE, SUN XINGYUN, CHEN SHENG, ZHANG HENG, WANG FANG
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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