ES8698A1 - Un procedimiento especial para suministrar alumbrado eléctrico a varios circuitos con una misma corriente eléctrica alternativamente.
- Google Patents
Un procedimiento especial para suministrar alumbrado eléctrico a varios circuitos con una misma corriente eléctrica alternativamente.
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ES8698A1888-09-151888-09-15Un procedimiento especial para suministrar alumbrado eléctrico a varios circuitos con una misma corriente eléctrica alternativamente.
ExpiredES8698A1
(es)
Un procedimiento, con sus correspondientes dispositivos, para que con una misma bombilla de luz eléctrica, conseguir intensidades distintas según convenga.