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 Jozef Ing Dragoun, Marian Ing Ondrejovic, Jozef Ing MakatafiledCriticalJozef Ing Dragoun
Priority to CS846002ApriorityCriticalpatent/CS240320B1/en
Publication of CS600284A1publicationCriticalpatent/CS600284A1/en
Publication of CS240320B1publicationCriticalpatent/CS240320B1/en