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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Application filed by Mitsubishi Electric CorpfiledCriticalMitsubishi Electric Corp
Priority to JP11678976ApriorityCriticalpatent/JPS598315B2/en
Publication of JPS5341307ApublicationCriticalpatent/JPS5341307A/en
Publication of JPS598315B2publicationCriticalpatent/JPS598315B2/en
PURPOSE: To remove the sulfur content as sulfides by irradiating insulating oils with light, and by feeding the activated sulfur content to a desulfurization part.