Hob retaining base of shield tunneling machine

The utility model discloses a shield tunneling machine hob retaining base which comprises a base A and a base B. The front end face of the base A and the front end face of the base B are each provided with a through groove, an installation groove is formed in the middle of the opposite side of the i...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MA QUNSEN, YUAN ZHIPING, CAO JUNJIE, MA QIANG, WANG WENWEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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