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经营范围
发明名称
SELECTIVE COLOUR FILTER
摘要
申请公布号
GB8520522(D0)
申请公布日期
1985.09.18
申请号
GB19850020522
申请日期
1985.01.08
申请人
DURO-TEST CORPORATION
发明人
分类号
G02B5/20;H01K1/32
主分类号
G02B5/20
代理机构
代理人
主权项
地址
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