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由东方电机厂、东方电机股份公司联合研制,开发的“东方型弹性金属塑料瓦”(以下简称塑料瓦),于1998年7月22日～23日,在四川德阳通过省级鉴定。鉴定会由四川省科学技术委员会主持,鉴定委员会由国家机械局三峡办、中国水利水电工程总公司、四川联合大学、龙羊峡电厂、四川省机械设计研究院、全国水电机电信息网、映秀湾水力发电厂、漫湾水力发电厂、大化水力发电厂等单位专家组成。与会代表和鉴定委员会认真听
The eastern type elastic metal plastic tile (hereinafter referred to as plastic tile) jointly developed and developed by Dongfang Electrical Machinery Factory and Dongfang Electrical Machinery Co., Ltd. passed the provincial appraisal in Deyang, Sichuan Province from July 22 to July 23, 1998. Identification by the Sichuan Provincial Science and Technology Commission presided over the appraisal committee by the Three Gorges Office of the State Machinery Bureau, China Water Conservancy and Hydropower Engineering Corporation, Sichuan University, Longyangxia Power Plant, Sichuan Machinery Design and Research Institute, the National Hydroelectric Electrical Information Network, Yingxiu Bay Hydropower plant, Manwan Hydropower Plant, Dahua Hydropower Plant and other units of experts. Participants and appraisal committee listened attentively