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发明名称
FREQUENCY MEASURING ARRANGEMENT
摘要
申请公布号
GB1489923(A)
申请公布日期
1977.10.26
申请号
GB19740006280
申请日期
1974.02.12
申请人
STANDARD TELEPHONES & CABLES LTD
发明人
分类号
G01R23/00;G01S1/40;H03D3/18;(IPC1-7):H03B3/04;H03J3/02
主分类号
G01R23/00
代理机构
代理人
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