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发明名称
MILLING DRILL BIT
摘要
申请公布号
SU956744(A1)
申请公布日期
1982.09.07
申请号
SU19813245453
申请日期
1981.02.06
申请人
LAVROV VALERIJ A,SU
发明人
LAVROV VALERIJ A,SU
分类号
E21B29/00;(IPC1-7):E21B29/00
主分类号
E21B29/00
代理机构
代理人
主权项
地址
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