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G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
G09B29/10—Map spot or coordinate position indicators; Map reading aids
Landscapes
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FR732807D1932-03-081932-03-08
Device to facilitate the search for points on plans, maps, etc.
ExpiredFR732807A
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