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Publication of JPS51120445ApublicationCriticalpatent/JPS51120445A/ja
Publication of JPS5647448B2publicationCriticalpatent/JPS5647448B2/ja
F23Q9/08—Pilot flame igniters with interlock with main fuel supply
F23Q9/12—Pilot flame igniters with interlock with main fuel supply to permit the supply to the main burner in dependence upon existence of pilot flame
F23Q9/14—Pilot flame igniters with interlock with main fuel supply to permit the supply to the main burner in dependence upon existence of pilot flame using electric means, e.g. by light-sensitive elements