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发明名称
Электрод-инструмент дл электрохимической прошивки сквозных отверстий
摘要
申请公布号
RU890651(C)
申请公布日期
2006.04.10
申请号
SU19802967920
申请日期
1980.08.04
申请人
发明人
分类号
B23H3/04;B23H7/26
主分类号
B23H3/04
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代理人
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