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发明名称
Camera exposure valve indicator
摘要
申请公布号
GB2020048(A)
申请公布日期
1979.11.07
申请号
GB19790004752
申请日期
1979.02.09
申请人
FRANKE & HEIDECKE GMBH
发明人
分类号
G03B17/18;G03B17/20;(IPC1-7):G03B17/20
主分类号
G03B17/18
代理机构
代理人
主权项
地址
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