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 CH69673Aexternal-prioritypatent/CH562130A5/xx
Priority claimed from NO740107Aexternal-prioritypatent/NO138522C/en
Publication of NO760302LpublicationCriticalpatent/NO760302L/no
Application filed by Tetra Pak DevfiledCriticalTetra Pak Dev
Priority to NO760302ApriorityCriticalpatent/NO140624C/en
Publication of NO140624BpublicationCriticalpatent/NO140624B/en
Publication of NO140624CpublicationCriticalpatent/NO140624C/en