Detachable circuit seal structure

The utility model discloses a detachable circuit seal structure, which comprises a movable seal which can be installed on a drill collar base in a plugging manner. The movable seal further includes a seal base and a seal top cover, wherein the seal base is provided with a containing cavity on the se...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PANG XISHUN, FENG YONGREN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CYLINDERS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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