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Application filed by Tamrock Voest Alpine BergtechfiledCriticalTamrock Voest Alpine Bergtech
Priority to AT75097ApriorityCriticalpatent/AT407896B/de
Publication of ATA75097ApublicationCriticalpatent/ATA75097A/de
Application grantedgrantedCritical
Publication of AT407896BpublicationCriticalpatent/AT407896B/de