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发明名称
Geophysical prospecting device
摘要
申请公布号
US2627727(A)
申请公布日期
1953.02.10
申请号
US19460704861
申请日期
1946.10.22
申请人
ROBT. H. RAY, INC.
发明人
SELLERS CLEMILLE F.
分类号
G01V7/16
主分类号
G01V7/16
代理机构
代理人
主权项
地址
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