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发明名称
PHOTOGRAPHIC EXPOSURE CONTROL SYSTEM
摘要
申请公布号
GB2003615(A)
申请公布日期
1979.03.14
申请号
GB19780034652
申请日期
1978.08.25
申请人
POLAROID CORP
发明人
分类号
G03B9/40;G03B9/42;G03B9/62;(IPC1-7):G03B9/40
主分类号
G03B9/40
代理机构
代理人
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地址
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