Tunnel inverted arch and inverted arch filling step type end template

The utility model discloses a tunnel inverted arch and inverted arch filling step type end template, which relates to the technical field of tunnel construction, and comprises two symmetrically arranged template units, a drainage ditch reserved groove is formed between the two template units, each t...

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Bibliographische Detailangaben
Hauptverfasser:	GAO PENG, FEI CHUNWEI, DU MENGWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TUNNELS
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