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Application filed by Pospisil Ladislav, Pac Jiri, Petruj Jaroslav, Karel Ing Sula, Ottis Jiri, Sulc ZdenekfiledCriticalPospisil Ladislav
Priority to CS84595ApriorityCriticalpatent/CS239716B1/en
Publication of CS59584A1publicationCriticalpatent/CS59584A1/en
Publication of CS239716B1publicationCriticalpatent/CS239716B1/en