DEFORMED CROSS SECTION TUNNEL BORING MACHINE

PROBLEM TO BE SOLVED: To provide a deformed cross section tunnel boring machine being simple in structure and inexpensive. SOLUTION: A deformed cross section tunnel boring machine includes a pair of circular cutter heads 6 and an oscillating cutter 7 freely oscillationally provided between the pair...

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Bibliographische Detailangaben
Hauptverfasser:	KATSUNUMA KIYOSHI, TAKEUCHI MORIYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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