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 Eugen Ing Pribulla, Roman Rndr Vasiljev, Pavol SorokafiledCriticalEugen Ing Pribulla
Priority to CS836389ApriorityCriticalpatent/CS233496B1/en
Publication of CS638983A1publicationCriticalpatent/CS638983A1/en
Publication of CS233496B1publicationCriticalpatent/CS233496B1/en