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发明名称
PROJECTION TYPE VIDEO DISPLAY SYSTEM
摘要
申请公布号
JPH0389316(A)
申请公布日期
1991.04.15
申请号
JP19890226840
申请日期
1989.09.01
申请人
CANON INC
发明人
YAMAMOTO MITSURU
分类号
G02F1/13;G02B27/28;G02F1/133;G03B21/00
主分类号
G02F1/13
代理机构
代理人
主权项
地址
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