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发明名称
FREQUENCY INDICATING CIRCUIT
摘要
申请公布号
GB1601068(A)
申请公布日期
1981.10.21
申请号
GB19780023907
申请日期
1978.05.30
申请人
GEC US
发明人
分类号
G01R23/02;G01R23/10;H03K5/26;H03L7/113;(IPC1-7):H03D13/00
主分类号
G01R23/02
代理机构
代理人
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地址
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