SHIELD TUNNELING METHOD AND MECHANISM,申请号CAD817801-传众专利搜索

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发明名称	SHIELD TUNNELING METHOD AND MECHANISM
摘要
申请公布号	CA817801(A)	申请公布日期	1969.07.15
申请号	CAD817801	申请日期
申请人	JAMES S. ROBBINS AND ASSOCIATES	发明人	RAYMOND J. L. LARROUZE;DOUGLAS F. WINBERG;RICHARD J. ROBBINS;PIERRE J. M. GOUSSAULT;PIERRE F. GESTA
分类号		主分类号
代理机构		代理人
主权项
地址

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