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发明名称
Soutènement et coffrage pour galeries exposées aux venues d'eau et travaux analogues
摘要
申请公布号
FR1062881(A)
申请公布日期
1954.04.28
申请号
FRD1062881
申请日期
1952.09.11
申请人
BERGBAUSTAHL G.M.B.H.
发明人
分类号
E21D11/10
主分类号
E21D11/10
代理机构
代理人
主权项
地址
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