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经营范围
发明名称
Procédé et dispositif d'introduction de matériaux de drainage dans le sol
摘要
申请公布号
FR1184987(A)
申请公布日期
1959.07.28
申请号
FRD1184987
申请日期
1957.10.22
申请人
发明人
WILLNER KURT
分类号
E02B11/02;E02F5/10
主分类号
E02B11/02
代理机构
代理人
主权项
地址
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