MINE ROOF SUPPORT SAFETY VALVE

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Bibliographische Detailangaben
Hauptverfasser:	FIRSTOV VLADISLAV DMITRIEVICH,SU, BRONFEN PETR MARKOVICH,SU, YAKOVLEV VITALIJ ILICH,SU, KHOKHLOV YURIJ MIKHAJLOVICH,SU
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING EARTH DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GALLERIES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING SHAFTS TAPS THERMAL INSULATION IN GENERAL TUNNELS VALVES WEAPONS
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