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发明名称
Электромагнитный сепаратор для регенерации железистого утяжелителя из промывочной буровой жидкости
摘要
申请公布号
SU151969(A1)
申请公布日期
1961.11.30
申请号
SU19610741058
申请日期
1961.08.07
申请人
发明人
APTEKAR L.L.;ASHURLI S.I.
分类号
E21B21/06;B03C1/10
主分类号
E21B21/06
代理机构
代理人
主权项
地址
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