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发明名称
Borehole gravity meter
摘要
申请公布号
US2570659(A)
申请公布日期
1951.10.09
申请号
US19480057758
申请日期
1948.11.01
申请人
SHELL DEVELOPMENT COMPANY
发明人
FAY CHARLES H.;GOODELL RICHARD R.
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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