Roadway surrounding rock anchor rod rapid construction device

The utility model discloses a roadway surrounding rock anchor rod rapid construction device which comprises an anchor rod body installed in an installation hole formed in a roadway surrounding rock body. The connecting sleeve is mounted on the outer side of the left end of the anchor rod body, a mou...

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Bibliographische Detailangaben
Hauptverfasser:	ZHAO JIANYUN, LIANG ZHEN, ZHANG WEIGUO, SONG JIANGUO, LIANG GUANQUN, SUN ZHIQIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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