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Priority claimed from DE19742406008external-prioritypatent/DE2406008C3/de
Application filed by Winter & Sohn ErnstfiledCriticalWinter & Sohn Ernst
Publication of ATA92675ApublicationCriticalpatent/ATA92675A/de
Application grantedgrantedCritical
Publication of AT340182BpublicationCriticalpatent/AT340182B/de