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北京市机械局委托该局技术开发研究所于1981年8月27日~28日在北京密封件厂召开了“电镀人造金刚石铰刀和组合阀孔攻关”鉴定会。参加会议的共有33个单位61名代表,一机部通用局液压处也派代表出席了会议。与会代表听取了北京金刚石厂作的“电镀人造金刚石铰刀”研制情况;北京密封件厂作的“组合阀孔”攻关情况;榆次液压件厂作的“电镀人造金刚石铰刀”使用情况等报告。之后,会议分成文件审查和检测两个小组,对电镀人造金刚石铰刀和组合阀孔的加工进行了全面审查和检测。其审查和检测结果是:技术文件
The Beijing Municipal Bureau of Machinery commissioned the Bureau of Technology Development of the Bureau to hold an appraisal conference on “plating synthetic diamond reamer and combined valve hole” at the Beijing Sealing Factory from August 27th to 28th, 1981. A total of 61 representatives from 33 units participated in the meeting. The hydraulic department of the General Department of the First Machine Department also sent representatives to attend the meeting. Participants listened to the development of the “plated synthetic diamond reamer” made by the Beijing Diamond Factory; the “combination valve hole” made by the Beijing Seal Factory; the use of the “plated synthetic diamond reamer” by the Yuci Hydraulic Factory. report. After that, the meeting was divided into two groups: document review and inspection, and a comprehensive review and inspection of the processing of electroplated synthetic diamond reamer and combined valve bores. Its review and test results are: Technical documents