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Priority to JP3539876UpriorityCriticalpatent/JPS5540945Y2/ja
Publication of JPS52126438UpublicationCriticalpatent/JPS52126438U/ja
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Publication of JPS5540945Y2publicationCriticalpatent/JPS5540945Y2/ja
PTC panel heater with small rush current characteristic and highly heat insulating region corresponding to heater location to prevent local overheating