High-sealed copper pipe nitrogen charging device

The invention provides a high-sealed copper pipe nitrogen charging device. The device comprises a seat body and a gas receiving core rod movably connected to the seat body, wherein the gas receiving core rod is hollow to form a gas conveying channel; and a rotary pressing gas cylinder is arranged on...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI ZHUO'EN, LIN CHUANGMING, LIU CHUNHE
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 MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PIPES PUNCHING METAL ROLLING OF METAL SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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