论文部分内容阅读
2001年9月25日至27日,由广州慧杰展览策划有限公司承办的首届劳动保护及安全技术产品(广州)博览会,在广州东方宾馆会展中心举行。参
From September 25 to September 27, 2001, the first labor protection and safety technology product (Guangzhou) Expo hosted by Guangzhou Hui Jie Exhibition Planning Co., Ltd. was held in Guangzhou Oriental Hotel Convention and Exhibition Center. Participation