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发明名称
POWER LINE CARRIER TELEPHONE SYSTEM
摘要
申请公布号
CA321491(A)
申请公布日期
1932.04.12
申请号
CAD321491
申请日期
申请人
THE WESTERN ELECTRIC COMPANY
发明人
JAMES DEMETRIUS SARROS
分类号
主分类号
代理机构
代理人
主权项
地址
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