HYDRAULIC CONTROL SYSTEM FOR CONTROLLING OPERATION OF SELF-ADVANCING ROOF SUPPORT UNIT, IN PARTICULAR THAT USED AT LONGWALL/GALLERY CROSSING

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Hauptverfasser:	BRACHACZEK KAROL, DIEDERICHS RYSZARD, KORANDY WIESLAW, MAJEWSKI PRZEMYSLAW, KWIECINSKI DANIEL, SZYGULA MAREK
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR EARTH DRILLING FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GALLERIES HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING SHAFTS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TUNNELS WEAPONS
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