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Rech S & Creations Publicitair
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Rech S & Creations Publicitair
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Publication of FR1196331ApublicationCriticalpatent/FR1196331A/fr
G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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FR1196331D1958-05-231958-05-23Dispositif de démonstration du fonctionnement d'un moteur thermique quelconque
ExpiredFR1196331A
(fr)