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发明名称
APPARATUS FOR MAPPING WELL DIRECTION
摘要
申请公布号
SU939765(A1)
申请公布日期
1982.06.30
申请号
SU19802971007
申请日期
1980.07.28
申请人
MO GORNYJ INSTITUT
发明人
AGEEV MIKHAIL I,SU
分类号
E21C39/00;E21B47/02;(IPC1-7):E21C39/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
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