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 Karol Ing Galik, Harmaniak Jan, Pavol Ing ChmelarfiledCriticalKarol Ing Galik
Priority to CS842202ApriorityCriticalpatent/CS239810B1/en
Publication of CS220284A1publicationCriticalpatent/CS220284A1/en
Publication of CS239810B1publicationCriticalpatent/CS239810B1/en