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Priority to JP1980117573UpriorityCriticalpatent/JPS6341698Y2/ja
Publication of JPS5741212UpublicationCriticalpatent/JPS5741212U/ja
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Publication of JPS6341698Y2publicationCriticalpatent/JPS6341698Y2/ja
Control device of an electrical switchgear unit comprising a device for indicating welding of the contacts, and an electrical switchgear unit comprising one such device