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发明名称
Projektionseinrichtung für endlose Filmbänder, insbesondere für Laufschriftreklame.
摘要
申请公布号
AT137145(B)
申请公布日期
1934.04.10
申请号
ATD137145
申请日期
1932.07.08
申请人
IRENE JAHN
发明人
IRENE JAHN
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主分类号
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