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发明名称
Vorrichtung zur Erzeugung von Leuchtzeichen
摘要
申请公布号
DE747269(C)
申请公布日期
1944.09.18
申请号
DE1940R108557D
申请日期
1940.10.23
申请人
DR. OSKAR ALEXANDER RINGLEB
发明人
分类号
G09F13/06
主分类号
G09F13/06
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