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 CS717975ApriorityCriticalpatent/CS184985B1/cs
Publication of CS184985B1publicationCriticalpatent/CS184985B1/cs