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发明名称
Perfectionnement aux palplanches en acier munies d'orifices de drainage pour la suppression de la surcharge hydrostatique dans le terrain retenu
摘要
申请公布号
FR830855(A)
申请公布日期
1938.08.11
申请号
FRD830855
申请日期
1937.12.16
申请人
DORTMUND-HOERDER HU:TTENVEREIN AKTIENGESELLSCHAFT
发明人
分类号
E02D31/10
主分类号
E02D31/10
代理机构
代理人
主权项
地址
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