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Priority claimed from JP63220670Aexternal-prioritypatent/JP2983993B2/en
Application filed by Tetra Pak AbfiledCriticalTetra Pak Ab
Publication of FI935449ApublicationCriticalpatent/FI935449A/en
Publication of FI935449A0publicationCriticalpatent/FI935449A0/en
Application grantedgrantedCritical
Publication of FI94851BpublicationCriticalpatent/FI94851B/en
Publication of FI94851CpublicationCriticalpatent/FI94851C/en