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经营范围
发明名称
Television device
摘要
申请公布号
US2297500(A)
申请公布日期
1942.09.29
申请号
US19400355565
申请日期
1940.09.06
申请人
ARMIN RAPPOLD
发明人
RAPPOLD ARMIN
分类号
H04N5/228
主分类号
H04N5/228
代理机构
代理人
主权项
地址
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