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发明名称
Gravity meter
摘要
申请公布号
US2281001(A)
申请公布日期
1942.04.28
申请号
US19400336898
申请日期
1940.05.24
申请人
SOCONY-VACUUM OIL COMPANY, INCORPORATED
发明人
CLEWELL DAYTON H.
分类号
G01V7/08
主分类号
G01V7/08
代理机构
代理人
主权项
地址
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