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经营范围
发明名称
LIGHT METERING SYSTEM
摘要
申请公布号
GB2071345(A)
申请公布日期
1981.09.16
申请号
GB19810006366
申请日期
1981.02.27
申请人
CANON KK
发明人
分类号
G03B7/28;G01J1/42;G01J1/44;G03B7/095;H04N5/232;H04N5/235;(IPC1-7):G03B7/08;H04N5/19
主分类号
G03B7/28
代理机构
代理人
主权项
地址
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