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1 中国石化集团北京石化工程公司 2 铁道部第三勘测设计院 3 中国石化集团北京设计院 4 中国石化集团洛阳石化工程公司 8 铁道部第四勘测设计院 9 邮电部设计院 10 国家电力公司昆明勘测设计研究院 11 国家电力公司西北勘测设计研究院
1 Sinopec Group Beijing Petrochemical Engineering Company 2 Ministry of Railways 3rd Survey and Design Institute 3 Sinopec Group Beijing Design Institute 4 Sinopec Group Luoyang Petrochemical Engineering Company 8 Ministry of Railways 4th Survey and Design Institute 9 Ministry of Posts and Telecommunications Design Institute 10 State Power Corporation Kunming Survey Design and Research Institute 11 National Power Corporation Northwest Institute of Survey, Design and Research