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发明名称
Method and apparatus for conducting geophysical explorations
摘要
申请公布号
US2991411(A)
申请公布日期
1961.07.04
申请号
US19560607814
申请日期
1956.09.04
申请人
GEOLECTRONICS INC.
发明人
FREEDMAN SAMUEL
分类号
G01V3/10
主分类号
G01V3/10
代理机构
代理人
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地址
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