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发明名称
ROLLING CUTTER BIT SUPPORT
摘要
申请公布号
SU629311(A1)
申请公布日期
1978.10.25
申请号
SU19731995374
申请日期
1973.12.14
申请人
VNII BUROVOJ TEKHNIKI
发明人
AGOSHASHVILI TARIEL G,SU;VLADISLAVLEV YURIJ E,SU;KANTOR VIKTOR S,SU;ILYK TEOFIL A,SU;GOLUBEV YURIJ M,SU
分类号
E21B10/22;(IPC1-7):E21B9/08
主分类号
E21B10/22
代理机构
代理人
主权项
地址
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