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
Application filed by Metallbau Anstalt FuerfiledCriticalMetallbau Anstalt Fuer
Priority claimed from PCT/CH1982/000088external-prioritypatent/WO1983000176A1/fr
Application grantedgrantedCritical
Publication of ATE17764T1publicationCriticalpatent/ATE17764T1/de