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
Priority claimed from DE2300066Aexternal-prioritypatent/DE2300066A1/en
Application filed by Inresa FafiledCriticalInresa Fa
Publication of ZA739554BpublicationCriticalpatent/ZA739554B/en