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发明名称
Geochemical prospecting
摘要
申请公布号
US2330026(A)
申请公布日期
1943.09.21
申请号
US19400366950
申请日期
1940.11.25
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
BLAU LUDWIG W.
分类号
G01V9/00
主分类号
G01V9/00
代理机构
代理人
主权项
地址
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