Hard pipe and automobile oil pipe

The invention discloses a hard pipe, which comprises a hard-pipe body, an outer hard-pipe sleeve and an inner hard-pipe sleeve, wherein the inner hard-pipe sleeve sleeves the hard-pipe body and is hermetically and detachably connected onto the hard-pipe body; outer threads are arranged on the outer...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	KANG LIBAO
Format:	Patent
Sprache:	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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