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发明名称
Dispositif de curage pour puits et égouts
摘要
申请公布号
FR843785(A)
申请公布日期
1939.07.10
申请号
FRD843785
申请日期
1938.09.22
申请人
发明人
THOMSEN OLE CHRISTIAN
分类号
E03F7/08
主分类号
E03F7/08
代理机构
代理人
主权项
地址
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