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发明名称
Глубинный манометр
摘要
申请公布号
SU70923(A1)
申请公布日期
1947.11.30
申请号
SU19470354797
申请日期
1947.04.04
申请人
DAKHNOV V.N.;KORZHEV A.A.
发明人
DAKHNOV V.N.;KORZHEV A.A.
分类号
E21B47/10;G01L23/04
主分类号
E21B47/10
代理机构
代理人
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