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发明名称
Кумулятивный перфоратор
摘要
申请公布号
SU110618(A1)
申请公布日期
1956.11.30
申请号
SU19550576050
申请日期
1955.03.30
申请人
VITSENI E.M.;GRIGORYAN N.G.;MELNIKOV I.I.
发明人
VITSENI E.M.;GRIGORYAN N.G.;MELNIKOV I.I.
分类号
E21B43/117
主分类号
E21B43/117
代理机构
代理人
主权项
地址
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