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经营范围
发明名称
Photoelectric exposure meter
摘要
申请公布号
GB845362(A)
申请公布日期
1960.08.24
申请号
GB19560032117
申请日期
1956.10.22
申请人
VOIGTLAENDER A.G.
发明人
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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