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Application filed by Bedrich Ing Kojecky, Vitezslav Ing Kolarik, Timotej Ing Simko, Zamastil Jaroslav, Vladimir Ing Csc KrausfiledCriticalBedrich Ing Kojecky
Priority to CS829182ApriorityCriticalpatent/CS231921B1/en
Publication of CS918282A1publicationCriticalpatent/CS918282A1/en
Publication of CS231921B1publicationCriticalpatent/CS231921B1/en