Ventilation pipe and manufacturing method of ventilation pipe

The invention relates to a ventilation pipe and a manufacturing method of the ventilation pipe. The ventilation pipe comprises an inner pipe and an outer pipe; the outer pipe is arranged on the outer side wall of the inner pipe in a sleeving manner; the inlet end of the outer pipe is connected to th...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN ZHIJING, DONG SONGMEI, XU WENLING, AO JINGPEI, GUO JIELIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CRANKCASE VENTILATING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PIPES SOLDERING OR UNSOLDERING STEAM ENGINES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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