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 Ernest Ing Mocny, Jan Ing OdehnalfiledCriticalErnest Ing Mocny
Priority to CS849588ApriorityCriticalpatent/CS242229B1/en
Publication of CS958884A1publicationCriticalpatent/CS958884A1/en
Publication of CS242229B1publicationCriticalpatent/CS242229B1/en