Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication date
Application filed by Mitsubishi Electric CorpfiledCriticalMitsubishi Electric Corp
Priority to JP444081ApriorityCriticalpatent/JPS57118358A/ja
Publication of JPS57118358ApublicationCriticalpatent/JPS57118358A/ja
Publication of JPS6329792B2publicationCriticalpatent/JPS6329792B2/ja
Compact fluorescent lamp having convoluted tubular envelope of tridimensional configuration, method of making such envelope, and lighting unit incorporating such lamp