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经营范围
发明名称
Light shield for television receiver cabinets
摘要
申请公布号
US2431830(A)
申请公布日期
1947.12.02
申请号
US19440540087
申请日期
1944.06.13
申请人
ROSE JOSEPH K
发明人
ROSE JOSEPH K.
分类号
H04N5/65
主分类号
H04N5/65
代理机构
代理人
主权项
地址
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