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 filedfiledCritical
Priority to DD18588475ApriorityCriticalpatent/DD119642A1/xx
Priority to CS234576Aprioritypatent/CS183367B1/cs
Publication of DD119642A1publicationCriticalpatent/DD119642A1/xx