Square and round pipe

The utility model discloses a square and round tube which comprises an inner tube, an outer tube is fixedly connected to the outer wall of the inner tube, round tubes are arranged at the four corners of the inner wall of the outer tube, and the outer portions of the round tubes are attached to the o...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	GAO JINWEN
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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