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发明名称
Fotoelektronische Lichtmengenautomatik fuer fotografische Papierabzuege und die Reproduktion
摘要
申请公布号
DE1772236(A1)
申请公布日期
1971.03.04
申请号
DE19681772236
申请日期
1968.04.18
申请人
BECK,RUDOLF,DR.
发明人
BECK,RUDOLF,DR.
分类号
G03B27/72
主分类号
G03B27/72
代理机构
代理人
主权项
地址
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