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发明名称
Tiefpumpanlage
摘要
申请公布号
AT261406(B)
申请公布日期
1968.04.25
申请号
AT19650002613
申请日期
1965.03.22
申请人
MINISTERUL INDUSTRIEI PETROLULUI SI CHIMIEI
发明人
ING. GHEORGHE PETRESCU
分类号
E21B43/12;F04B1/02;F04B7/00;F04B17/04;F04B47/06;F04B47/12;F04B53/14;H02K41/025
主分类号
E21B43/12
代理机构
代理人
主权项
地址
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