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Priority claimed from CH713075Aexternal-prioritypatent/CH599048A5/xx
Application filed by Haab Karl, Haab OttofiledCriticalHaab Karl
Publication of ATA984975ApublicationCriticalpatent/ATA984975A/de
Application grantedgrantedCritical
Publication of AT369492BpublicationCriticalpatent/AT369492B/de