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发明名称
FREQUENCY COMPARISON CIRCUIT ARRANGEMENTS
摘要
申请公布号
GB1454531(A)
申请公布日期
1976.11.03
申请号
GB19730006769
申请日期
1973.02.12
申请人
FERRANTI LTD
发明人
分类号
G01R23/09;H03K5/26;H03K21/02;(IPC1-7):H03D13/00
主分类号
G01R23/09
代理机构
代理人
主权项
地址
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