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 Karel Ing PetafiledCriticalKarel Ing Peta
Priority to CS835242ApriorityCriticalpatent/CS243063B1/en
Publication of CS524283A1publicationCriticalpatent/CS524283A1/en
Publication of CS243063B1publicationCriticalpatent/CS243063B1/en