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Individual
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Individual
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Priority to ES3836ApriorityCriticalpatent/ES3836A2/en
Publication of ES3836A2publicationCriticalpatent/ES3836A2/en
ES3836A1883-12-131883-12-13
Improvements introduced in the procedure to obtain an intense white light due to the incandescence of magnesia.
ExpiredES3836A2
(en)