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 Jozef Mudr Penjak, Ivan Ing KlobusiakfiledCriticalJozef Mudr Penjak
Priority to CS753188ApriorityCriticalpatent/CS272870B1/en
Publication of CS753188A1publicationCriticalpatent/CS753188A1/en
Publication of CS272870B1publicationCriticalpatent/CS272870B1/en