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发明名称
摘要
申请公布号
SU370568(A1)
申请公布日期
1973.02.15
申请号
SU19701467770
申请日期
1970.07.30
申请人
发明人
分类号
G01V1/00;E21B47/00;G01V1/32;G01V1/40;(IPC1-7):G01V1/40
主分类号
G01V1/00
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