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发明名称
Vorrichtung zum Ablesen von Belichtungszeiten und Blenden-OEffnungen fuer photographische Aufnahmen
摘要
申请公布号
DE1003470(B)
申请公布日期
1957.02.28
申请号
DE1953B026504
申请日期
1953.07.14
申请人
JOSEPH ALPHONSE OP DE BEECK
发明人
BEECK JOSEPH ALPHONSE OP DE
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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