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发明名称
DRILL BIT
摘要
申请公布号
SU1020565(A1)
申请公布日期
1983.05.30
申请号
SU19813366709
申请日期
1981.12.11
申请人
KIRSANOV VALERIJ A,SU;SEVOSTYANOV VLADIMIR G,SU;KHAZHUEV VLADIMIR SH,SU;GOOV ASLAN A,SU;BUZDOV RUSLAN D,SU
发明人
KIRSANOV VALERIJ A,SU;SEVOSTYANOV VLADIMIR G,SU;KHAZHUEV VLADIMIR SH,SU;GOOV ASLAN A,SU;BUZDOV RUSLAN D,SU
分类号
E21B10/48;(IPC1-7):E21B10/48
主分类号
E21B10/48
代理机构
代理人
主权项
地址
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