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发明名称
FORMATION OF ZONAL LUMINOUS FLUX AND ILLUMINATING OPTICAL DEVICE
摘要
申请公布号
JPH0684760(A)
申请公布日期
1994.03.25
申请号
JP19920237930
申请日期
1992.09.07
申请人
NEC CORP
发明人
OGURA YUKIO
分类号
G02B27/09;G03B27/32;G03F7/20;H01L21/027;H01L21/30;(IPC1-7):H01L21/027;G02B27/00
主分类号
G02B27/09
代理机构
代理人
主权项
地址
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