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Application filed by Frantisek Ing Sedlacek, Karel Bures, Jaroslav Ing Kanta, Marta Velickova, Zdenek Sproch, Milada TomanovafiledCriticalFrantisek Ing Sedlacek
Priority to CS32489ApriorityCriticalpatent/CS272545B1/en
Publication of CS32489A1publicationCriticalpatent/CS32489A1/en
Publication of CS272545B1publicationCriticalpatent/CS272545B1/en