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 Zdenek JandafiledCriticalZdenek Janda
Priority to CS287177ApriorityCriticalpatent/CS190142B1/cs
Publication of CS190142B1publicationCriticalpatent/CS190142B1/cs