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Priority to JP9046783ApriorityCriticalpatent/JPS59216065A/ja
Publication of JPS59216065ApublicationCriticalpatent/JPS59216065A/ja
Publication of JPH0429980B2publicationCriticalpatent/JPH0429980B2/ja
Electronic watt and/or watthour measuring circuit having active load terminated current sensor for sensing current and providing automatic zero-offset of current sensor DC offset error potentials