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发明名称
Improvements relating to arrangements for frequency measurement
摘要
申请公布号
GB581202(A)
申请公布日期
1946.10.04
申请号
GB19430020558
申请日期
1943.12.08
申请人
STANDARD TELEPHONES AND CABLES LIMITED;CHARLES WILLIAM EARP
发明人
分类号
G01R27/32
主分类号
G01R27/32
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代理人
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