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Application filed by Wilhelm Jantsch, Bruno StockerfiledCriticalWilhelm Jantsch
Priority to AT954361ApriorityCriticalpatent/AT226568B/de
Priority to BE625743Aprioritypatent/BE625743A/fr
Application grantedgrantedCritical
Publication of AT226568BpublicationCriticalpatent/AT226568B/de