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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
G09B29/02—Maps; Plans; Charts; Diagrams, e.g. route diagram sectional
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FR370847D1906-10-261906-10-26Dispositif pour s'orienter sur les routes et les cours d'eau
ExpiredFR370847A
(fr)
Dispositif pour retenir ou diriger les poissons ou gibiers d'eau dans les estuaires (fiords), manches, lits de cours d'eau et parages analogues