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Application filed by Schrack Elektrizitaets Ag EfiledCriticalSchrack Elektrizitaets Ag E
Priority to AT894777ApriorityCriticalpatent/AT352792B/de
Publication of ATA894777ApublicationCriticalpatent/ATA894777A/de
Application grantedgrantedCritical
Publication of AT352792BpublicationCriticalpatent/AT352792B/de