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Application filed by Waagner Biro AgfiledCriticalWaagner Biro Ag
Priority to AT81580ApriorityCriticalpatent/AT365992B/de
Publication of ATA81580ApublicationCriticalpatent/ATA81580A/de
Application grantedgrantedCritical
Publication of AT365992BpublicationCriticalpatent/AT365992B/de