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发明名称
Gravimeter null indicator
摘要
申请公布号
US2367126(A)
申请公布日期
1945.01.09
申请号
US19400370805
申请日期
1940.12.19
申请人
JAMES PATRICK H
发明人
JAMES PATRICK H.
分类号
G01V7/04
主分类号
G01V7/04
代理机构
代理人
主权项
地址
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