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Priority claimed from CH1558974Aexternal-prioritypatent/CH598894A5/xx
Application filed by Spribag AgfiledCriticalSpribag Ag
Priority claimed from AT881477Aexternal-prioritypatent/AT355864B/de
Publication of ATA742377ApublicationCriticalpatent/ATA742377A/de
Application grantedgrantedCritical
Publication of AT356307BpublicationCriticalpatent/AT356307B/de