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发明名称
摘要
申请公布号
FR2005719(A1)
申请公布日期
1969.12.12
申请号
FR19690010639
申请日期
1969.04.08
申请人
PHILIPS GLOEILAMPEN
发明人
分类号
G02B27/40;G02F1/31;(IPC1-7):G02F1/00
主分类号
G02B27/40
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代理人
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