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经营范围
发明名称
TELEVISION
摘要
申请公布号
IE12297(L)
申请公布日期
1932.11.29
申请号
IED12297
申请日期
1932.04.21
申请人
MARCONIS WIRELESS TELEGRAPH CO LTD
发明人
分类号
H04N5/04;(IPC1-7):H04N5/04
主分类号
H04N5/04
代理机构
代理人
主权项
地址
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