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发明名称
REFRACTION TYPE OPTICAL SYSTEM FOR VIDEO PROJECTOR
摘要
申请公布号
JPH0327013(A)
申请公布日期
1991.02.05
申请号
JP19890161671
申请日期
1989.06.23
申请人
MINOLTA CAMERA CO LTD
发明人
YAMAKAWA KAZUO
分类号
G02B13/16;G02B13/18
主分类号
G02B13/16
代理机构
代理人
主权项
地址
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