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发明名称
Глубинный пробоотборник
摘要
申请公布号
SU142238(A1)
申请公布日期
1961.11.30
申请号
SU19610722737
申请日期
1961.03.20
申请人
发明人
LESHSHEV D.A.
分类号
E21B49/02;G01N1/10
主分类号
E21B49/02
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代理人
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