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 StofkafiledCriticalMarian Ing Stofka
Priority to CS809130ApriorityCriticalpatent/CS232102B1/en
Publication of CS913080A1publicationCriticalpatent/CS913080A1/en
Publication of CS232102B1publicationCriticalpatent/CS232102B1/en