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 CS362471ApriorityCriticalpatent/CS168113B1/cs
Priority to DD16284372Aprioritypatent/DD97304A5/xx
Publication of CS168113B1publicationCriticalpatent/CS168113B1/cs