Fan climbing-free device with protection structure

The invention provides a draught fan climbing-free device and relates to the technical field of climbing-free devices, the draught fan climbing-free device comprises an escalator frame and a climbing-free device, side fixing plates are arranged on the left portion and the right portion of the escala...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIU XIN, QIN TIANSHUN, QI YUHANG, TIAN JUNYI, LI XI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HAULING HEATING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD LIFTING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PRODUCING MECHANICAL POWER TRANSPORTING WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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