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Priority claimed from DE19702037081external-prioritypatent/DE2037081C3/de
Priority claimed from AT38971Aexternal-prioritypatent/AT329833B/de
Application filed by Ernst Ing NippfiledCriticalErnst Ing Nipp
Priority to AT783374ApriorityCriticalpatent/AT341742B/de
Publication of ATA783374ApublicationCriticalpatent/ATA783374A/de
Application grantedgrantedCritical
Publication of AT341742BpublicationCriticalpatent/AT341742B/de