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经营范围
发明名称
Рабочий орган ударно-вращательного действия
摘要
申请公布号
SU121407(A1)
申请公布日期
1958.11.30
申请号
SU19580605617
申请日期
1958.08.08
申请人
SURANOV V.M.;TSYAPKO N.F.
发明人
SURANOV V.M.;TSYAPKO N.F.
分类号
E21C25/16;E21C27/24
主分类号
E21C25/16
代理机构
代理人
主权项
地址
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