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Priority claimed from DES62950Aexternal-prioritypatent/DE1112700B/en
Priority claimed from DES62949Aexternal-prioritypatent/DE1106628B/en
Application filed by Seidel Kg GebfiledCriticalSeidel Kg Geb
Application grantedgrantedCritical
Publication of BE593955RpublicationCriticalpatent/BE593955R/en