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Priority claimed from DE2063140Aexternal-prioritypatent/DE2063140C3/de
Application filed by Schwaebische Huettenwerke GmbhfiledCriticalSchwaebische Huettenwerke Gmbh
Publication of ATA469473ApublicationCriticalpatent/ATA469473A/de
Application grantedgrantedCritical
Publication of AT328366BpublicationCriticalpatent/AT328366B/de