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 CH149181Aexternal-prioritypatent/CH643175A5/fr
Application filed by Gueissaz & Cie Sa AndrefiledCriticalGueissaz & Cie Sa Andre
Application grantedgrantedCritical
Publication of ATE14692T1publicationCriticalpatent/ATE14692T1/de