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Application filed by Franz Ing LitschauerfiledCriticalFranz Ing Litschauer
Priority to AT785362ApriorityCriticalpatent/AT250228B/de
Priority to DE19631428927prioritypatent/DE1428927A1/de
Priority to CH1139263Aprioritypatent/CH418925A/de
Application grantedgrantedCritical
Publication of AT250228BpublicationCriticalpatent/AT250228B/de