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发明名称
摘要
申请公布号
SU408253(A1)
申请公布日期
1973.12.10
申请号
SU19721797752
申请日期
1972.06.14
申请人
发明人
分类号
G01V5/10;E21B47/135;G01V5/00;(IPC1-7):G01V5/00;E21B47/00
主分类号
G01V5/10
代理机构
代理人
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