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发明名称
Электрогидрометрическая трубка
摘要
申请公布号
SU148366(A1)
申请公布日期
1961.11.30
申请号
SU19610696580
申请日期
1961.02.07
申请人
发明人
USPENSKIJ E.N.
分类号
E21B47/00;E21B47/12;G01V3/18
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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