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 Kapolka Jozef, Kavka Jaroslav, Mach Antonin, Miloslav Duratny, Zdenko Duratny, Karol Velic, Karol Matyas, Podhradsky Dusan, Stefan Ing KopcanfiledCriticalKapolka Jozef
Priority to CS674887ApriorityCriticalpatent/CS272969B1/cs
Publication of CS674887A1publicationCriticalpatent/CS674887A1/cs
Publication of CS272969B1publicationCriticalpatent/CS272969B1/cs