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发明名称
PROJECTION OPTICAL DEVICE
摘要
申请公布号
JPH05107503(A)
申请公布日期
1993.04.30
申请号
JP19910298446
申请日期
1991.10.16
申请人
CANON INC
发明人
ISHIBE YOSHIHIRO
分类号
G02B27/18;G03B21/00;G03B21/20
主分类号
G02B27/18
代理机构
代理人
主权项
地址
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