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Priority claimed from DE19782842294external-prioritypatent/DE2842294A1/de
Priority claimed from AT600079Aexternal-prioritypatent/AT367952B/de
Application filed by Weichel ErnstfiledCriticalWeichel Ernst
Priority to AT317281ApriorityCriticalpatent/AT382492B/de
Publication of ATA317281ApublicationCriticalpatent/ATA317281A/de
Application grantedgrantedCritical
Publication of AT382492BpublicationCriticalpatent/AT382492B/de