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Priority to CH288162ApriorityCriticalpatent/CH451826A/de
Priority to CH752760Aprioritypatent/CH382660A/de
Publication of CH752760A4publicationCriticalpatent/CH752760A4/xx
Publication of CH382660ApublicationCriticalpatent/CH382660A/de
Verfahren zum Befestigen des inneren Endes einer reglierten Spiralfeder an der Spiralrolle bei einer Uhr sowie Spiralrolle und Formteil zur Durchfuehrung des Verfahrens