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Application filed by Elin Union AgfiledCriticalElin Union Ag
Priority to AT443976ApriorityCriticalpatent/AT350673B/de
Priority to DE19772727307prioritypatent/DE2727307A1/de
Publication of ATA443976ApublicationCriticalpatent/ATA443976A/de
Application grantedgrantedCritical
Publication of AT350673BpublicationCriticalpatent/AT350673B/de