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经营范围
发明名称
GAMMA CORRECTING DEVICE
摘要
申请公布号
JPH02206283(A)
申请公布日期
1990.08.16
申请号
JP19890025820
申请日期
1989.02.06
申请人
CANON INC
发明人
TAKAYAMA TSUTOMU
分类号
H04N5/202
主分类号
H04N5/202
代理机构
代理人
主权项
地址
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