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Application filed by Josef Ing Lancingr, Bohuslav Zdarsky, Milan Ing Csc Cihak, Jindrich KrausfiledCriticalJosef Ing Lancingr
Priority to CS868102ApriorityCriticalpatent/CS258176B1/en
Publication of CS810286A1publicationCriticalpatent/CS810286A1/en
Publication of CS258176B1publicationCriticalpatent/CS258176B1/en