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经营范围
发明名称
Фильтр для нефтяных скважин
摘要
申请公布号
SU120479(A1)
申请公布日期
1958.11.30
申请号
SU19580596898
申请日期
1958.04.09
申请人
GLIKMAN L.S.;PAVLOVSKAYA E.I.;ROSHSHUPKIN V.I.
发明人
GLIKMAN L.S.;PAVLOVSKAYA E.I.;ROSHSHUPKIN V.I.
分类号
E21B43/08;E03B3/18;E03B3/20
主分类号
E21B43/08
代理机构
代理人
主权项
地址
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