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 Adrian Ing Endel, Elena Ing Berecova, Marian Calkovsky, Jozef PavlinafiledCriticalAdrian Ing Endel
Priority to CS849587ApriorityCriticalpatent/CS241345B1/en
Publication of CS958784A1publicationCriticalpatent/CS958784A1/en
Publication of CS241345B1publicationCriticalpatent/CS241345B1/en