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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP3758177ApriorityCriticalpatent/JPS53123574A/en
Publication of JPS53123574ApublicationCriticalpatent/JPS53123574A/en
PURPOSE:To form contact supports of a switch with elastic mambsr and set the contact gap l at the range of 0<l<1mm so that the discharge lamp can be quickly started by the low voltage.