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发明名称
DETECTING DEVICE FOR BERRIED METALS IN CASE OF UTILIZING BORING MACHINE AND ANTENA FOR DETECTION
摘要
申请公布号
JPS53148101(A)
申请公布日期
1978.12.23
申请号
JP19770062739
申请日期
1977.05.31
申请人
NISSHO KOGYO KK
发明人
SENOO RIKIZOU
分类号
E21B44/00;E02F9/24;E21B7/00;E21B44/02;G01V3/08;G01V3/10;G01V3/11
主分类号
E21B44/00
代理机构
代理人
主权项
地址
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