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 JP63220670Aexternal-prioritypatent/JP2983993B2/ja
Application filed by Tetra Pak AbfiledCriticalTetra Pak Ab
Publication of FI935449ApublicationCriticalpatent/FI935449A/fi
Publication of FI935449A0publicationCriticalpatent/FI935449A0/fi
Publication of FI94851BpublicationCriticalpatent/FI94851B/fi
Application grantedgrantedCritical
Publication of FI94851CpublicationCriticalpatent/FI94851C/fi