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Application filed by Josef Vrzan, Ludvik Andrus, Jiri Loukota, Jan Ing Zelenka, Jiri Ing Schamberger, Kubicka Rudolf, Vratislav Ing Domalip, Pavel Ing BrzobohazyfiledCriticalJosef Vrzan
Priority to CS852203ApriorityCriticalpatent/CS243382B1/en
Publication of CS220385A1publicationCriticalpatent/CS220385A1/en
Publication of CS243382B1publicationCriticalpatent/CS243382B1/en