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 Sladomel, Jindrich SicfiledCriticalZdenek Sladomel
Priority to CS248874ApriorityCriticalpatent/CS180753B1/cs
Publication of CS180753B1publicationCriticalpatent/CS180753B1/cs