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7月18日,“北人牌”平装胶订联动线在兰州市甘肃新华印刷厂举行了演示会。新闻出版总署印刷复制司副司长李琛、中国印刷技术协会理事长武文祥、香港印刷业商会理事杨金溪、甘肃省新闻出版局副局长李玉政及当
July 18, “Beiren card” binding binding line in Lanzhou, Gansu Xinhua printing plant held a demonstration. Li Chen, deputy director of Press and Printing Department of Press and Publication Administration, Wu Wenxiang, chairman of China Printing Technology Association, Yang Jinxi, director of Hong Kong Printing Chamber of Commerce, Li Yuzheng, deputy director of Gansu Press and Publication Bureau,