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Priority claimed from DE19722241219external-prioritypatent/DE2241219A1/de
Application filed by Schutzapparate Paris & CofiledCriticalSchutzapparate Paris & Co
Priority to AT214474ApriorityCriticalpatent/AT331898B/de
Publication of ATA214474ApublicationCriticalpatent/ATA214474A/de
Application grantedgrantedCritical
Publication of AT331898BpublicationCriticalpatent/AT331898B/de