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发明名称
Вставные резцы цепей тонких баров, армированные пластинками твердого сплава
摘要
申请公布号
SU91932(A1)
申请公布日期
1951.11.30
申请号
SU19500439374
申请日期
1950.12.04
申请人
DEMBOVSKIJ N.F.;KOTLYAROV I.D.
发明人
DEMBOVSKIJ N.F.;KOTLYAROV I.D.
分类号
E21C25/28;E21C35/18
主分类号
E21C25/28
代理机构
代理人
主权项
地址
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