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一些同志来信,希望了解中小型材标准修订方面的信息,现特请冶金部情报总所标准室副主任纪贵同志作如下介绍。
Some comrades, I hope to understand the revision of SME standard information, please refer to the Ministry of Metallurgical Information Standards Room, Deputy Director Ji Gui Comrade for your introduction below.