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 Alfons Harazim, Kerlin KurtfiledCriticalAlfons Harazim
Priority to CS864297ApriorityCriticalpatent/CS252950B1/en
Publication of CS429786A1publicationCriticalpatent/CS429786A1/en
Publication of CS252950B1publicationCriticalpatent/CS252950B1/en