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发明名称
Method and apparatus for electrical prospecting
摘要
申请公布号
US2062630(A)
申请公布日期
1936.12.01
申请号
US19340723669
申请日期
1934.05.03
申请人
HANS T. F. LUNDBERG
发明人
ZUSCHLAG THEODOR
分类号
G01V3/06
主分类号
G01V3/06
代理机构
代理人
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地址
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