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Priority claimed from CH2521/81Aexternal-prioritypatent/CH655228A5/en
Priority claimed from CH46682Aexternal-prioritypatent/CH659171A5/en
Priority claimed from CH147382Aexternal-prioritypatent/CH685321A5/en
Application filed by Gastrotrade AgfiledCriticalGastrotrade Ag
Priority claimed from EP82102500Aexternal-prioritypatent/EP0062805B1/en
Application grantedgrantedCritical
Publication of ATE54240T1publicationCriticalpatent/ATE54240T1/en