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发明名称
APPARATUS FOR DETERMINING POSITION OF BOREHOLE IN SPACE
摘要
申请公布号
SU597822(A1)
申请公布日期
1978.03.15
申请号
SU19762329861
申请日期
1976.03.01
申请人
VNII METODIKI TEKHNIKI RAZVEDKI
发明人
VASILEV VLADIMIR P,SU;POPOV ALBERT A,SU
分类号
E21B47/0228;G01C9/18;(IPC1-7):E21B47/02
主分类号
E21B47/0228
代理机构
代理人
主权项
地址
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