根据建材产品三年(1973～1975)标准规划的精神,国家建委建材局、一机部电工局、四机部科技局于1974年3月11日至21日在新疆乌鲁木齐市召开了云母标准协调会。参加这次会议的有来自有关单位的领导干部、技术人员和工厂人同志,共六十 According to the spirit of the three-year (1973-1975) standard planning of building materials products, the National Building Materials Bureau of the State Construction Committee, the Department of Electrical Engineering of the First Engineer Department, and the Science and Technology Bureau of the Fourth Machinery Division held the coordination of mica standards in Urumqi, Xinjiang from March 11 to March 21, 1974. meeting. At the conference, there were leading cadres, technicians, and factory comrades from relevant organizations.