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 Gregorek, Miroslav Holik, Pavel Koukal, Vaclav LoeffelmannfiledCriticalJiri Gregorek
Priority to CS107176ApriorityCriticalpatent/CS186984B1/cs
Publication of CS186984B1publicationCriticalpatent/CS186984B1/cs