Shallow-burial-depth coal mine goaf detection device

The utility model discloses a shallow-burial-depth coal mine goaf detection device which comprises a detector shell, a detector body is installed in the detector shell, a plurality of air inlets are formed in the side wall of the detector shell, a sliding groove is formed in the inner wall of the de...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHAO PENGFEI, ZUO LINAN, CHEN GUOSHEN, HE YUJUN, ZHAO LINHAI, XUE PEIFENG, CHEN WENDONG, LIU ZHILIANG, ZHAO XIN, YUE SONG, DU LIQIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CLEANING CLEANING IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PERFORMING OPERATIONS PHYSICS PREVENTION OF FOULING IN GENERAL TESTING TRANSPORTING
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