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 Marian Ing Brandersky, Viera Ing Simonova, Viera Ing Durisova, Jana KovacikovafiledCriticalMarian Ing Brandersky
Priority to CS85915ApriorityCriticalpatent/CS254661B1/cs
Publication of CS91585A1publicationCriticalpatent/CS91585A1/cs
Publication of CS254661B1publicationCriticalpatent/CS254661B1/cs