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发明名称
COMPARTMENTED BULKHEADS FOR TUNNELING SHIELDS
摘要
申请公布号
CA819991(A)
申请公布日期
1969.08.12
申请号
CAD819991
申请日期
申请人
JAMES S. ROBBINS AND ASSOCIATES
发明人
PIERRE F. GESTA;DOUGLAS F. WINBERG;PIERRE J. M. GOUSSAULT;RAYMOND J. L. LARROUZE;RICHARD J. ROBBINS
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