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 Sluka, Josef SlukafiledCriticalZdenek Sluka
Priority to CS475975ApriorityCriticalpatent/CS183135B1/cs
Publication of CS183135B1publicationCriticalpatent/CS183135B1/cs