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发明名称
Автоматический податчик перфораторов
摘要
申请公布号
SU62566(A1)
申请公布日期
1942.11.30
申请号
SU19410039742
申请日期
1941.01.09
申请人
GORDEEV S.G.
发明人
GORDEEV S.G.
分类号
E21B19/081;E21B44/08
主分类号
E21B19/081
代理机构
代理人
主权项
地址
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