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发明名称
Dispositif prévu sur les objectifs photographiques pour le réglage automatique du diaphragme à une valeur présélectée
摘要
申请公布号
FR1195488(A)
申请公布日期
1959.11.17
申请号
FRD1195488
申请日期
1958.04.30
申请人
JOS. SCHNEIDER & CO, OPTISCHE WERKE
发明人
分类号
G03B9/07
主分类号
G03B9/07
代理机构
代理人
主权项
地址
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