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 Milan Barta, Zavis Cyrus, Vaclav Dedek, Jaroslav Dostal, Jiri Fikar, Zdenek Svoboda, Leopold VrobelfiledCriticalMilan Barta
Priority to CS491376ApriorityCriticalpatent/CS192683B1/en
Publication of CS192683B1publicationCriticalpatent/CS192683B1/en