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经营范围
发明名称
An arrangement for determining the amplitude of an electric wave selected from a complex wave
摘要
申请公布号
GB676276(A)
申请公布日期
1952.07.23
申请号
GB19500022726
申请日期
1950.09.15
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
G10L19/02
主分类号
G10L19/02
代理机构
代理人
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地址
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