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发明名称
LIGHT QUANTITY ADJUSTOR AND IMAGE PICKUP DEVICE USING THE SAME
摘要
申请公布号
JPH04264402(A)
申请公布日期
1992.09.21
申请号
JP19910046118
申请日期
1991.02.19
申请人
CANON INC
发明人
SUGAWARA SABURO
分类号
G02B5/20;G02B27/00;G02B27/46;H04N5/238;H04N9/04
主分类号
G02B5/20
代理机构
代理人
主权项
地址
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