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我厂根据上海瑞金医院提出的任务,经两年多的努力,于1977年“七一”前夕,研制成功722型手持式球内铁磁金属异物吸取器(简称吸铁器)。
Based on the mission proposed by Shanghai Ruijin Hospital, our factory successfully developed 722 type handheld internal ferromagnetic metal foreign body suction device (abbreviated as iron suction device) on the eve of “July 1” in 1977.