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QJ2539.1—93《化学热处理 钢的气体渗碳》等8项热处理航天工业行业标准宣贯会于1996年6月21日至24日在西安市召开。总公司西安地区的有关厂、所共18个单位的25位代表参加了会议。 八院上海仪表厂的赵继安、○六七基地7107厂的廖祖庆等同志会前做了充分的准备,会上分别对8项标准进行了深入细致的讲解。
QJ2539.1—93 “Gas Carburization of Chemical Heat Treatment Steel” and other 8 heat treatment industry standards for aerospace industry were held in Xi’an from June 21st to 24th, 1996. A total of 25 representatives of the plant and the 18 units of the head office in the Xi’an area attended the meeting. All the eight standards were explained in detail by Zhao Ji’an at the Eighth Institute and the Liao Zuqing comrade at the 7107 plant at 6.7 Base.