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发明名称
An improved photo-electric exposure meter
摘要
申请公布号
GB755264(A)
申请公布日期
1956.08.22
申请号
GB19540008557
申请日期
1954.03.24
申请人
SOCIETE MAROCAINE D'ACHATS & DE CONSTRUCTIONS, "SOMARAC", S.A.
发明人
POIRETTE PAUL
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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