Underground drainage pipeline for municipal planning

The underground drainage pipeline for municipal planning comprises a main body pipe, an inner pipeline is arranged in the main body pipe, a wire ring is integrally formed on the circumferential outer wall of the main body pipe and located in the center of the main body pipe, and a first positioning...

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Bibliographische Detailangaben
Hauptverfasser:	XIE ZENGFENG, SONG SHUWEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CESSPOOLS CRANES CYLINDERS ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAULING HEATING HOISTING JOINTS OR FITTINGS FOR PIPES LIFTING LIGHTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PIPES PISTONS SEALINGS SEPARATION SEWERAGE SEWERS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WATER SUPPLY WEAPONS
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