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 Zikan Viktor, Vaclav Ing Vosatka, Danek Jaroslav, Radmila Rndr Phmr D SpaldonovafiledCriticalZikan Viktor
Priority to CS875753ApriorityCriticalpatent/CS261312B1/en
Publication of CS575387A1publicationCriticalpatent/CS575387A1/en
Publication of CS261312B1publicationCriticalpatent/CS261312B1/en