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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
G09B27/00—Planetaria; Globes
G09B27/02—Tellurions; Orreries
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FR329786D1903-02-271903-02-27Système d'appareil pour la démonstration des mouvements de la terre autour du soleil
ExpiredFR329786A
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