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 CH303780Aexternal-prioritypatent/CH639476A5/en
Priority claimed from CH459580Aexternal-prioritypatent/CH641547A5/en
Application filed by Monseol LimitedfiledCriticalMonseol Limited
Priority claimed from EP80104271Aexternal-prioritypatent/EP0038374B1/en
Application grantedgrantedCritical
Publication of ATE5919T1publicationCriticalpatent/ATE5919T1/en