Coal mine underground crossheading forepoling supporting frame

The utility model relates to a coal mine underground crossheading forepoling supporting frame, which consists of a left frame body and a right frame body with the same structure, wherein each frame body consists of a front frame, a middle frame and a back frame which all consist of a top beam, a bas...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LU JIE, DIAO ZHIYING, QIN BAOCHANG, QIN CUIFANG, LIU YUWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
Online-Zugang:	Volltext bestellen
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