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发明名称
Комбинированный станок для ударного и ударно-вращательного бурения
摘要
申请公布号
SU110614(A1)
申请公布日期
1956.11.30
申请号
SU19550576054
申请日期
1955.06.18
申请人
BAKANOV I.S.
发明人
BAKANOV I.S.
分类号
E21B6/02
主分类号
E21B6/02
代理机构
代理人
主权项
地址
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