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 PospisilfiledCriticalMilan Pospisil
Priority to CS847619ApriorityCriticalpatent/CS253067B1/en
Publication of CS761984A1publicationCriticalpatent/CS761984A1/en
Publication of CS253067B1publicationCriticalpatent/CS253067B1/en