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Priority to JP451582UpriorityCriticalpatent/JPS58108593U/ja
Publication of JPS58108593UpublicationCriticalpatent/JPS58108593U/ja
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Publication of JPS642239Y2publicationCriticalpatent/JPS642239Y2/ja
Heat detector having an increased accuracy alarm temperature threshold and improved low temperature testing capabilities cross-reference to related applications