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Application filed by P BardotfiledCriticalP Bardot
Publication of CH24706ApublicationCriticalpatent/CH24706A/fr
CH24706A1901-09-051901-09-05Lanterne d'éclairage à incandescence avec bec de secours alimenté par un robinet double d'aalumage de l'ectérieur
CH24706A
(fr)
Un aparato perfeccionado para encender y apagar automáticamente, con rapidez y a distancia los faroles de gas para el alumbrado público y los de otras clases.