Portable multifunctional valve well switch

The utility model discloses a portable multifunctional valve well switch which comprises a key head and a driving structure, and the key head is arranged at the bottom of the driving structure. The driving structure comprises a telescopic device and an operating device which are connected; the teles...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YANG CHUNJIE, HUANG TIANXING, ZHENG CHANGBO, PENG CHANGRONG, TANG ZEJI, ZHOU YUN, CAI JINHUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BYMECHANICAL FEATURES ONLY CONTROLLING DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PHYSICS REGULATING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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