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五十多年来、每年一届的国际汉诺威（Hannover）科技博览会上。都展示了全世界规模最大、质量最高的照明科技成就、几乎所有享有盛名的照明与光源企业都在博览会上占有一席之地，甚至有不少公司每年年销售额的60％～70％合同，就是在博览会期间签订的、因此汉诺威博览会理所当
Over fifty years and one year at the International Hannover Technology Expo. All show the world’s largest and highest quality lighting technology achievements. Almost all famous lighting and light source companies have a place in the fair. There are even many company annual sales of 60% to 70% of the contract. The Hanover Fair was signed during the fair