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Priority to CH171184ApriorityCriticalpatent/CH655593B/fr
Publication of CH655593BpublicationCriticalpatent/CH655593B/fr
G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
