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发明名称
BACKPROJECT TYPE DISPLAY DEVICE
摘要
申请公布号
JPH0313982(A)
申请公布日期
1991.01.22
申请号
JP19890150081
申请日期
1989.06.13
申请人
SEIKO EPSON CORP
发明人
AMAKO ATSUSHI
分类号
G02B27/18;G02F1/13;G03B21/00;G09F9/00
主分类号
G02B27/18
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代理人
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