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Application filed by Augusta Frantisek, Zdenek Zabrodsky, Jindrich Simek, Josef Holub, Tenora PavelfiledCriticalAugusta Frantisek
Priority to CS836890ApriorityCriticalpatent/CS240763B1/en
Publication of CS689083A1publicationCriticalpatent/CS689083A1/en
Publication of CS240763B1publicationCriticalpatent/CS240763B1/en