Special safety protection frame of colliery geological survey

The utility model provides a special safety protection frame of colliery geological survey, including the centering stay tube, trample the dead lever structure, adjustable safety protection plate structure, safety protection case structure, the measuring instrument fixing base, the screw hole, the c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHI SHIDONG, LIANG JINGDONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING EARTH DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS
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