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经营范围
发明名称
Improvements in or relating to quantized signal transmission systems
摘要
申请公布号
GB686583(A)
申请公布日期
1953.01.28
申请号
GB19510015122
申请日期
1951.06.26
申请人
WESTERN ELECTRIC COMPANY
发明人
分类号
H04B14/06
主分类号
H04B14/06
代理机构
代理人
主权项
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