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联合国危险货物运输专家小组委员会第一次会议,于1989年7月31日至8月11日在日内瓦举行。中国代表团作为联合国危险货物运输专家委员会的正式成员参加了会议,
The first meeting of the UN Sub-Committee of Experts on the Transport of Dangerous Goods was held in Geneva from July 31 to August 11, 1989. The Chinese delegation attended the meeting as an official member of the UN Committee of Experts on the Transport of Dangerous Goods,