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发明名称
Perfectionnements aux systèmes de transmission à large bande
摘要
申请公布号
FR1049347(A)
申请公布日期
1953.12.29
申请号
FRD1049347
申请日期
1951.05.30
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
H04B1/66;H04N7/12
主分类号
H04B1/66
代理机构
代理人
主权项
地址
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