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发明名称
Perfectionnements apportés aux systèmes de moulage des pieux en béton, dans le sol
摘要
申请公布号
FR1177737(A)
申请公布日期
1959.04.29
申请号
FRD1177737
申请日期
1957.04.10
申请人
发明人
GRIMAUD GUSTAVE
分类号
E02D5/38;E02D7/22;E21B17/22
主分类号
E02D5/38
代理机构
代理人
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