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发明名称
METHOD AND APPARATUS FOR MEASURING PHOTOCAMERA EXPOSURE PARAMETERS
摘要
申请公布号
PL149654(B1)
申请公布日期
1990.03.31
申请号
PL19860260877
申请日期
1986.08.01
申请人
发明人
分类号
G03B;G03B43/02;(IPC1-7):G03B43/02
主分类号
G03B
代理机构
代理人
主权项
地址
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