ES3836A2 - Perfeccionamientos introducidos en el procedimiento para obtener una luz blanca e intensa por la incandescencia de la magnesia.
- Google Patents
Perfeccionamientos introducidos en el procedimiento para obtener una luz blanca e intensa por la incandescencia de la magnesia.
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ES3836A1883-12-131883-12-13Perfeccionamientos introducidos en el procedimiento para obtener una luz blanca e intensa por la incandescencia de la magnesia.
ExpiredES3836A2
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Un procedimiento de calefacción previa del aire, que alimenta la combustión de una pieza metálica, para hacer más intensos los efectos luminosos de aquellas.