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经营范围
发明名称
Arrangements for reducing distortion in electric signals
摘要
申请公布号
GB668491(A)
申请公布日期
1952.03.19
申请号
GB19500001561
申请日期
1950.01.20
申请人
WESTERN ELECTRIC COMPANY
发明人
分类号
H04N5/16;H04N5/18;H04N5/21
主分类号
H04N5/16
代理机构
代理人
主权项
地址
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