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发明名称
Verfahren zur Herstellung von ultrarotempfindlichen Selenzellen.
摘要
申请公布号
AT121674(B)
申请公布日期
1931.03.10
申请号
ATD121674
申请日期
1929.11.21
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
OTTO VON BRONK;DR. FRITZ MICHELSSEN;DR. FRITZ SCHROETER
分类号
主分类号
代理机构
代理人
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