Ascending and descending control system for main elevator of rotary drilling machine

Bibliographische Detailangaben

Hauptverfasser:	CHEN SHASHA, NIU HUIFENG, ZHANG YANMING, WEN ZHIJUN, DOU YONGXIN, LIANG SHOUJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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