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发明名称
Seismometer
摘要
申请公布号
US2593052(A)
申请公布日期
1952.04.15
申请号
US19480027594
申请日期
1948.05.17
申请人
PHILLIPS PETROLEUM COMPANY
发明人
PIETY RAYMOND G.;THOMAS MARION E.
分类号
G01V1/18
主分类号
G01V1/18
代理机构
代理人
主权项
地址
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