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发明名称
Аппарат для замера диаметра незакрепленных скважин
摘要
申请公布号
SU35777(A1)
申请公布日期
1934.04.30
申请号
SU19330123064
申请日期
1933.01.31
申请人
KARMISHKIN D.D.
发明人
KARMISHKIN D.D.
分类号
E21B47/08;G01B3/00
主分类号
E21B47/08
代理机构
代理人
主权项
地址
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