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发明名称
Gravity meter
摘要
申请公布号
US2613536(A)
申请公布日期
1952.10.14
申请号
US19460687060
申请日期
1946.07.30
申请人
JAKOSKY JOHN J
发明人
JAKOSKY JOHN J.
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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