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 Jiri Volf, Jaroslav JirusefiledCriticalJiri Volf
Priority to CS654477ApriorityCriticalpatent/CS189512B1/cs
Publication of CS189512B1publicationCriticalpatent/CS189512B1/cs