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Priority to JP4927883UpriorityCriticalpatent/JPS59154791U/ja
Publication of JPS59154791UpublicationCriticalpatent/JPS59154791U/ja
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Publication of JPH0214160Y2publicationCriticalpatent/JPH0214160Y2/ja
Protection of a surge arrester with a better protection against failure from thermal overload in case of a temporary overvoltage in an electrical grid line