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 CH1222/87Aexternal-prioritypatent/CH675620A5/de
Application filed by 알윈 시겔filedCritical알윈 시겔
Publication of KR890700782ApublicationCriticalpatent/KR890700782A/ko