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Application filed by Kiss Mikulas, Michalicek Ludovit, Jan Ing Jalovecky, Ivan Ing Csc Krivosik, Absolon Frantisek, Hupka LadislavfiledCriticalKiss Mikulas
Priority to CS856325ApriorityCriticalpatent/CS251991B1/en
Publication of CS632585A1publicationCriticalpatent/CS632585A1/en
Publication of CS251991B1publicationCriticalpatent/CS251991B1/en