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发明名称
Shield tunneling method and mechanism
摘要
申请公布号
US3266257(A)
申请公布日期
1966.08.16
申请号
US19630284604
申请日期
1963.05.31
申请人
JAMES S. ROBBINS AND ASSOCIATES, INC.
发明人
LARROUZE RAYMOND J. L.;GESTA PIERRE F.;GOUSSAULT PIERRE J. M.;WINBERG DOUGLAS F.;ROBBINS RICHARD J.
分类号
E21D9/06;E21D9/08;E21D9/087;E21D9/12;E21D19/00
主分类号
E21D9/06
代理机构
代理人
主权项
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