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1979年10月,中国航空标准化代表团出席了国际标准化组织(ISO)航空与航天技术委员会(TC20)在华盛顿召开的计划会议之后,顺便对美国航空标准化工作做了一些了解,先后访问了美国宇航工业协会(AIA)、联邦航
In October 1979, China Aviation Standardization Delegation attended the planning meeting held by the International Organization for Standardization (ISO) Aerospace and Space Technology Commission (TC20) in Washington DC and made some understanding of American aviation standardization work. Industrial Association (AIA), Federal Aviation