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经营范围
发明名称
Apparat til Bestemmelse af Belysningstiden ved fotografiske Forstørrelser af gennemskinnelige Billeder.
摘要
申请公布号
DK62368(C)
申请公布日期
1944.06.19
申请号
DKD62368
申请日期
1942.02.02
申请人
HANS PETER MADSEN;ANTON PETER RASMUSSEN THUNBO
发明人
HANS PETER MADSEN;ANTON PETER RASMUSSEN THUNBO
分类号
主分类号
代理机构
代理人
主权项
地址
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