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发明名称
Procédé pour le battage des pieux ou d'autres éléments de fondation dans des sols peu résistants
摘要
申请公布号
FR677878(A)
申请公布日期
1930.03.15
申请号
FRD677878
申请日期
1929.07.04
申请人
发明人
SPRENGER JAN JACOB IMAN
分类号
E02D5/48
主分类号
E02D5/48
代理机构
代理人
主权项
地址
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