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AUBERT FRERES SOC
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FR411297D1910-01-051910-01-05Système de commande à distance de l'allumage et de l'extinction des lanternes à gaz, depuis un poste central
ExpiredFR411297A
(fr)
Système de commande automatique et collective, à distance, pour l'allumage et l'extinction des lanternes de ville ou autres lanternes à gaz, depuis un poste central