Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Laufik Frantisek, Ivan Ing Sebok, Jozef Gyorgy, Jozef Ing Sasko, Eugen Ing OlsovskyfiledCriticalLaufik Frantisek
Priority to CS885723ApriorityCriticalpatent/CS269673B1/en
Publication of CS572388A1publicationCriticalpatent/CS572388A1/en
Publication of CS269673B1publicationCriticalpatent/CS269673B1/en