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 CH584981Aexternal-prioritypatent/CH633750A5/de
Priority claimed from CH410082Aexternal-prioritypatent/CH662315A5/de
Application filed by Georg IgloifiledCriticalGeorg Igloi
Priority claimed from EP19820108374external-prioritypatent/EP0074643B1/de
Application grantedgrantedCritical
Publication of ATE19374T1publicationCriticalpatent/ATE19374T1/de