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Application filed by Jozsef Aulich, Bela Boldoghy, Jozsef Kummert, Gabor ValkofiledCriticalJozsef Aulich
Priority to HU4688ApriorityCriticalpatent/HU208854B/en
Publication of HUT55852ApublicationCriticalpatent/HUT55852A/en
Publication of HU208854BpublicationCriticalpatent/HU208854B/en