Method of boring galleries, tunnels, caverns and the like - among other things arch profiles - with preferably activated undercutting tools which excavate in a stepped, splitting manner and are fastened to an arm arranged in an articulated and movable manner at the centre point in all directions,申请号DE19893905737-传众专利搜索

发明名称	Method of boring galleries, tunnels, caverns and the like - among other things arch profiles - with preferably activated undercutting tools which excavate in a stepped, splitting manner and are fastened to an arm arranged in an articulated and movable manner at the centre point in all directions
摘要	Method of boring galleries, tunnels, caverns and the like - among other things arch profiles - with preferably activated undercutting tools which excavate in a stepped, splitting manner and are fastened to an arm arranged in an articulated and movable manner at the centre point in all directions.
申请公布号	DE3905737(A1)	申请公布日期	1989.11.02
申请号	DE19893905737	申请日期	1989.02.24
申请人	BECHEM, HANNELORE, 5800 HAGEN, DE	发明人	BECHEM, ULRICH;BECHEM, KLAUS;BECHEM, PHILIP, 5800 HAGEN, DE;LENZEN, DIETER, 5860 LETMATHE, DE
分类号	E21C25/16;E21D9/10	主分类号	E21C25/16
代理机构		代理人
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