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Priority claimed from DE19737314567external-prioritypatent/DE7314567U/de
Priority claimed from DE19732346567external-prioritypatent/DE2346567C3/de
Application filed by Felten & Guilleaume SchaltanlfiledCriticalFelten & Guilleaume Schaltanl
Publication of ATA949673ApublicationCriticalpatent/ATA949673A/de
Application grantedgrantedCritical
Publication of AT334997BpublicationCriticalpatent/AT334997B/de