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大连市机械工程学会热处理分会与大连市总工会技术协作队热处理组,于1981年10月13～15日联合召开了离子轰击热处理技术座谈会。参加座谈会的有来自各地的特邀代表8人,省市代表75人。座谈会上进行了八项
Dalian Mechanical Engineering Society heat treatment branch and the Dalian Federation of Trade Unions technical cooperation team heat treatment group, in October 1981 October 13 ~ 15 held jointly ion bombardment heat treatment technology forum. There were 8 invited representatives from all over the forum and 75 representatives from provinces and cities. Eight were held at the forum