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发明名称
ZOOM LENS AND PROJECTION DEVICE USING IT
摘要
申请公布号
JPH1195104(A)
申请公布日期
1999.04.09
申请号
JP19970272245
申请日期
1997.09.18
申请人
CANON INC
发明人
HORIUCHI AKINAGA
分类号
G02B13/18;G02B15/20;G02F1/13;H04N5/74;(IPC1-7):G02B15/20
主分类号
G02B13/18
代理机构
代理人
主权项
地址
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