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发明名称
FREQUENCY MEASUREMENT
摘要
申请公布号
EP0373802(A3)
申请公布日期
1991.05.29
申请号
EP19890312577
申请日期
1989.12.01
申请人
THORN EMI PLC
发明人
BREAM, DAVID ROBERT;ROOME, STEPHEN JOHN
分类号
G01R23/12;(IPC1-7):G01R23/12
主分类号
G01R23/12
代理机构
代理人
主权项
地址
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