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发明名称
PROJECTION DEVICE
摘要
申请公布号
JPH03153226(A)
申请公布日期
1991.07.01
申请号
JP19890291332
申请日期
1989.11.10
申请人
CANON INC
发明人
HIGASHIHARA MASAKI
分类号
G03B17/28;G03B19/02;G03B21/00
主分类号
G03B17/28
代理机构
代理人
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地址
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