Safe supporting equipment for metal ore mining production

The utility model discloses safe supporting equipment for metal ore mining production. The protective shed comprises a protective shed body, a supporting plate is fixedly connected to the bottom faceof the protective shed body, vertical reinforcing ribs are fixedly connected to the upper surface of...

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Bibliographische Detailangaben
Hauptverfasser:	LU ZHIWEI, ZHAO CHANGLU, WANG LONGPAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
Online-Zugang:	Volltext bestellen
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