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发明名称
Rotational seismometer
摘要
申请公布号
US2637839(A)
申请公布日期
1953.05.05
申请号
US19480022191
申请日期
1948.04.20
申请人
PHILLIPS PETROLEUM COMPANY
发明人
PIETY RAYMOND G.
分类号
G01H1/10
主分类号
G01H1/10
代理机构
代理人
主权项
地址
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