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经营范围
发明名称
MODULATED LIGHT SOURCE
摘要
申请公布号
CA503819(A)
申请公布日期
1954.06.22
申请号
CAD503819
申请日期
申请人
DU MONT TELEVISION AND ELECTRONICS
发明人
RUDOLF FELDT
分类号
主分类号
代理机构
代理人
主权项
地址
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