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1999年4月8日—11日国际制冷学会新任总干事比利亚先生偕夫人在参加北京国际制冷展期间应邀来上海市制冷学会访问。
April 8-11, 1999 The new director-general of the International Refrigeration Institute, Mr. Villa, and his wife were invited to the Shanghai Institute of Refrigeration to attend the Beijing International Refrigeration Exhibition.