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发明名称
Резец-забурник
摘要
申请公布号
SU151271(A1)
申请公布日期
1962.11.30
申请号
SU19620761711
申请日期
1962.01.29
申请人
发明人
PRIKHODKO YU.N.
分类号
E21B10/46
主分类号
E21B10/46
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代理人
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