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Application filed by Oskar StiftfiledCriticalOskar Stift
Application grantedgrantedCritical
Publication of AT121576BpublicationCriticalpatent/AT121576B/de
AT121576D1929-07-021929-07-02Leuchtfackel für photographische Zwecke, Signalisierungen u. dgl. aus in Tablettenform gepreßten Leuchtsätzen.
AT121576B
(de)