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经营范围
发明名称
Signal Transmission Apparatus.
摘要
申请公布号
GB1154594(A)
申请公布日期
1969.06.11
申请号
GB19660033943
申请日期
1966.07.28
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
H04B3/11
主分类号
H04B3/11
代理机构
代理人
主权项
地址
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