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发明名称
DRILLING MAST
摘要
申请公布号
SU578423(A1)
申请公布日期
1977.10.30
申请号
SU19752305339
申请日期
1975.12.30
申请人
VNII METODIKI TEKHNIKI RAZVEDKI
发明人
NAUMOV VLADIMIR A,SU;VOLODIN OREST A,SU;GALIOPA ANATOLIJ A,SU;DAEV BORIS G,SU
分类号
E21B15/00;(IPC1-7):E21B15/00
主分类号
E21B15/00
代理机构
代理人
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