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经营范围
发明名称
EXPOSURE CONTROL
摘要
申请公布号
GB2049208(A)
申请公布日期
1980.12.17
申请号
GB19800010931
申请日期
1980.04.01
申请人
CANON KK
发明人
分类号
G03B27/72;G03B27/80;(IPC1-7):G03B27/80;G03B27/74
主分类号
G03B27/72
代理机构
代理人
主权项
地址
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