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发明名称
POLARISATIEFILTER.
摘要
申请公布号
NL9101226(A)
申请公布日期
1993.02.01
申请号
NL19910001226
申请日期
1991.07.11
申请人
KONINKLIJKE PTT NEDERLAND N.V. TE GRONINGEN.
发明人
分类号
G02B5/30;G02B6/126
主分类号
G02B5/30
代理机构
代理人
主权项
地址
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