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Application filed by Jiri Kriz, Iva Reznickova, Fiala Frantisek, Vaclav Ing NetolickyfiledCriticalJiri Kriz
Priority to CS861587ApriorityCriticalpatent/CS265102B1/en
Publication of CS158786A1publicationCriticalpatent/CS158786A1/en
Publication of CS265102B1publicationCriticalpatent/CS265102B1/en