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发明名称
TELEVISION RECEIVER
摘要
申请公布号
CA340187(A)
申请公布日期
1934.03.20
申请号
CAD340187
申请日期
申请人
THE AMERICAN TELEVISION LABORATORIES
发明人
LEE DE FOREST
分类号
主分类号
代理机构
代理人
主权项
地址
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