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发明名称
Light shield and adjacent area brightness increaser for viewing apparatus
摘要
申请公布号
US3062917(A)
申请公布日期
1962.11.06
申请号
US19600040739
申请日期
1960.07.05
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
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地址
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