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经营范围
发明名称
Position-independent vertically sensitive seismometer.
摘要
申请公布号
EP0460789(B1)
申请公布日期
1995.05.17
申请号
EP19910302309
申请日期
1991.03.18
申请人
WESTERN ATLAS INTERNATIONAL, INC.
发明人
CLEMENS, JACK G.;SALLAS, JOHN J.
分类号
G01P15/09;G01V1/18;(IPC1-7):G01V1/18
主分类号
G01P15/09
代理机构
代理人
主权项
地址
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