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发明名称
METHOD OF ELECTROMAGNETIC PROSPECTING BY MEASURING RELATIVE GRANDIENT OF A RESULTANT ELECTROMAGNETIC FIELD
摘要
申请公布号
US3636435(A)
申请公布日期
1972.01.18
申请号
USD3636435
申请日期
1969.06.20
申请人
SCINTREX LTD.
发明人
HAROLD O. SEIGEL
分类号
G01V3/165;(IPC1-7):G01V3/10;G01V3/12;G01V3/16
主分类号
G01V3/165
代理机构
代理人
主权项
地址
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