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Application filed by Jan Novak, Sobeslav Fiker, Vaclav Krs, Jaroslav Haumer, Jiri Tolman, Vlastimil Peterka, Vaclav KlecanfiledCriticalJan Novak
Priority to CS574877ApriorityCriticalpatent/CS193909B1/cs
Publication of CS193909B1publicationCriticalpatent/CS193909B1/cs