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Application filed by Jaroslav Ing Brychta, Vojtech Ing Voracek, Frantisek Ing Bartos, Vladimir Jirkovsky, Eduard Ing UtisanfiledCriticalJaroslav Ing Brychta
Priority to CS858184ApriorityCriticalpatent/CS256459B1/en
Publication of CS818485A1publicationCriticalpatent/CS818485A1/en
Publication of CS256459B1publicationCriticalpatent/CS256459B1/en