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 Cervinka Karel, Vlasta Ing Nymsova, Mikulcova Dagmar, Vaclav KrobfiledCriticalCervinka Karel
Priority to CS849910ApriorityCriticalpatent/CS245082B1/cs
Publication of CS991084A1publicationCriticalpatent/CS991084A1/cs
Publication of CS245082B1publicationCriticalpatent/CS245082B1/cs