Mining bolt installation(3) device

The utility model relates to a mining anchor bolt support technical field, and disclose a mining bolt installation(3) device, including circular fixed disk, circular fixed disk's outer fixed surface is connected with annular bracing piece, the surface of annular bracing piece has cup jointed th...

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Bibliographische Detailangaben
Hauptverfasser:	LIU LIANGMING, CHENG JIANYE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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