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按机械工业部1984年标准化工作计划和(84)重技字79号文的要求,根据(84)天研字第058号关于召开“凿岩机械与气动工具标准审查会议”的通知,于1984年9月3日至6日在甘肃天水召开了《凿岩机械与气动工具性能试验方法》、《凿岩机械与气动工具噪声测量方法——工程法》、《凿岩机械与气动工具有色金属铸件通用技术条件》、《YN25型手持式内燃凿岩机》四项标准审查会议。参加会议的有来自生产、使用、科研等26个单位62名代表。
According to the requirements of the Ministry of Machinery Industry’s 1984 Standardization Work Plan and (84) Chongji Word No. 79, according to (84) Tian Yan Zi No. 058 on the convening of the “Standard Review Conference for Rock Drilling and Air Tools”, in 1984 From September 3rd to 6th in Tianshui, Gansu Province, the “Technical Test Method for Rock Drilling and Air Tools Performance”, “Determination of Rock Drilling Machinery and Air Tool Noise—Engineering Law”, and “General Technical Specifications for Rock Drilling and Air Tools Non-Ferrous Metal Castings” “The YN25 type hand-held internal combustion rock drill” four standard review meeting. At the meeting, there were 62 representatives from 26 units of production, use, and scientific research.