Device and process for driving galleries with a shield,申请号GB19800036172-传众专利搜索

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发明名称	Device and process for driving galleries with a shield
摘要
申请公布号	GB2057035(A)	申请公布日期	1981.03.25
申请号	GB19800036172	申请日期	1978.09.26
申请人	LOCHER & CIE AG	发明人
分类号	E21D9/06;E21D11/10;(IPC1-7):E21D9/06	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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