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 Ing Polacek, Stefan Stanik, Miloslav BacofiledCriticalJozef Ing Polacek
Priority to CS825881ApriorityCriticalpatent/CS231089B1/cs
Publication of CS588182A1publicationCriticalpatent/CS588182A1/cs
Publication of CS231089B1publicationCriticalpatent/CS231089B1/cs