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 Edita Rndr Dragunova, Milan Ing Cibak, Jozef Ing Csc PolonskyfiledCriticalEdita Rndr Dragunova
Priority to CS846413ApriorityCriticalpatent/CS244975B1/en
Publication of CS641384A1publicationCriticalpatent/CS641384A1/en
Publication of CS244975B1publicationCriticalpatent/CS244975B1/en