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发明名称
Optical colour filter
摘要
申请公布号
GB722749(A)
申请公布日期
1955.01.26
申请号
GB19520016555
申请日期
1952.07.01
申请人
PHILCO CORPORATION
发明人
分类号
G02B5/20;G02B5/28;H01J29/32
主分类号
G02B5/20
代理机构
代理人
主权项
地址
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