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发明名称
Exposure meter
摘要
申请公布号
GB874821(A)
申请公布日期
1961.08.10
申请号
GB19590039101
申请日期
1959.11.18
申请人
VEB KAMERA-UND KINOWERKE DRESDEN
发明人
HAHN ERICH
分类号
G01J1/42
主分类号
G01J1/42
代理机构
代理人
主权项
地址
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