Mono-block hydraulic prop

The utility model discloses a single hydraulic prop which comprises a movable column casing. A top cover is sleeved at the upper end of the movable column casing; the movable column casing is sleeved in an oil cylinder; the outside of the upper end of the oil cylinder is provided with a handle body,...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	JING SHUJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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