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发明名称
Method for making geophysical surveys
摘要
申请公布号
US2382093(A)
申请公布日期
1945.08.14
申请号
US19420433702
申请日期
1942.03.07
申请人
PHELAN STEPHEN R
发明人
PHELAN STEPHEN R.
分类号
G01V3/06
主分类号
G01V3/06
代理机构
代理人
主权项
地址
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