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发明名称
UN NUEVO APARATO PARA LA EXTRACCIoN Y ELEVACIoN DE LiQUIDOS DESDE GRANDES PROFUNDIDADES
摘要
申请公布号
ES201188(A2)
申请公布日期
1952.02.16
申请号
ES19880002011
申请日期
1951.12.29
申请人
DIAZ SAN ROMAN, FRANCISCO
发明人
分类号
(IPC1-7):E21
主分类号
(IPC1-7):E21
代理机构
代理人
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地址
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