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发明名称
Запорный клапан для испытателя пластов
摘要
申请公布号
SU95829(A1)
申请公布日期
1952.11.30
申请号
SU19510445817
申请日期
1951.10.18
申请人
LOSHKAREV K.I.;MYANIKOKS A.A.;STRIZHOV N.I.
发明人
LOSHKAREV K.I.;MYANIKOKS A.A.;STRIZHOV N.I.
分类号
E21B34/12;E21B21/10
主分类号
E21B34/12
代理机构
代理人
主权项
地址
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