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发明名称
Vorrichtung zur Anzeige des Schaerfebereichs bei photographischen Kameras mit Belichtungsmesser
摘要
申请公布号
DE1138625(B)
申请公布日期
1962.10.25
申请号
DE1961C024383
申请日期
1961.06.15
申请人
COMPUR-WERK GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG & CO.
发明人
SINGER FRANZ
分类号
G03B7/12
主分类号
G03B7/12
代理机构
代理人
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