海绵钛、钛及钛合金化学分析方法国家标准增补修订预审会于1994年4月24日至27日在大连召开.会议由抚顺铝厂负责筹办,由西北有色金属研究院和抚顺铝厂共同主持,有色总公司标准所、北京有色金属研究总院,北京六二一所,上海钢研所、上海有色所、遵义钛厂、沈阳有色金属加工厂、抚顺铝厂、西北有色金属研究院等九个单位的22位专家代表出席了会议. Sponge Titanium, Titanium and Titanium Alloys National Institute of Standards and Testing (Amendment) The prequalification meeting was held in Dalian from April 24 to April 27, 1994. The meeting was organized by Fushun Aluminum Plant and jointly hosted by Northwest Institute of Nonferrous Metal Research and Fushun Aluminum Plant , Non-ferrous company standard institute, Beijing Nonferrous Metal Research Institute, Beijing 621, Shanghai Steel Research Institute, Shanghai Institute of color, Zunyi Titanium Factory, Shenyang Nonferrous Metal Processing Plant, Fushun Aluminum Plant, Northwest Nonferrous Metal Research Institute A total of 22 experts from a single unit attended the meeting.