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发明名称
PLANE LIGHT SOURCE DEVICE
摘要
申请公布号
JPH03163704(A)
申请公布日期
1991.07.15
申请号
JP19890300754
申请日期
1989.11.21
申请人
CANON INC
发明人
KIKUCHI TETSUO
分类号
G02B6/00;F21V8/00
主分类号
G02B6/00
代理机构
代理人
主权项
地址
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