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经营范围
发明名称
Многоканальный перфоратор
摘要
申请公布号
SU126081(A1)
申请公布日期
1959.11.30
申请号
SU19580613216
申请日期
1958.12.04
申请人
ABRAMYAN S.L.;PAVLENKO A.I.;TER-GRIGORYAN YU.N.;KHILOV K.A.
发明人
ABRAMYAN S.L.;PAVLENKO A.I.;TER-GRIGORYAN YU.N.;KHILOV K.A.
分类号
E21B49/04;E21B43/116
主分类号
E21B49/04
代理机构
代理人
主权项
地址
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