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发明名称
QUANTITY OF LUMINISCENCE CONTROL DEVICE
摘要
申请公布号
JPH0298458(A)
申请公布日期
1990.04.10
申请号
JP19880250273
申请日期
1988.10.04
申请人
CANON INC
发明人
USHIO YUKIHIDE
分类号
B41J2/44;G03G15/04;H04N1/23
主分类号
B41J2/44
代理机构
代理人
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地址
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