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发明名称
FREQUENCY RATIO INDICATING CIRCUIT ARRANGEMENTS
摘要
申请公布号
GB1464365(A)
申请公布日期
1977.02.09
申请号
GB19730022654
申请日期
1973.05.11
申请人
FERRANTI LTD
发明人
分类号
G01R23/02;G01R27/12;H03K5/26;(IPC1-7):G01R23/10
主分类号
G01R23/02
代理机构
代理人
主权项
地址
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