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Priority claimed from CH775971Aexternal-prioritypatent/CH533050A/de
Application filed by Schneider & Co WfiledCriticalSchneider & Co W
Priority to DK329073ApriorityCriticalpatent/DK140310B/da
Publication of DK140310BpublicationCriticalpatent/DK140310B/da
Application grantedgrantedCritical
Publication of DK140310CpublicationCriticalpatent/DK140310C/da