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发明名称
SIGNAL-TO-NOISE RATIO MEASURING SYSTEM
摘要
申请公布号
GB1268414(A)
申请公布日期
1972.03.29
申请号
GB19690039086
申请日期
1969.08.05
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
分类号
G01R29/26;H04J1/16
主分类号
G01R29/26
代理机构
代理人
主权项
地址
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