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由一机部机械研究院机械工业自动化研究所和上海市机电设计院等十七个单位组成的高压液压阀联合设计组,已完成了320公斤力/厘米~2液压阀新系列典型样机的试制、试验和全系列图纸设计工作。一九七七年一月十五日至二十二日在上海召开了液压阀新系列典型样机鉴定和全系列图纸审查会议。提交会议鉴定的典型样机共有32种,提交审查的图纸共265套。320公斤力/厘米~2液压阀新系列共有87个品种
By a machine Institute of Machinery Industry Institute of Machinery Industry and Shanghai Mechanical and Electrical Design Institute, composed of 17 units of high-pressure hydraulic valve joint design team has completed 320 kg / cm ~ 2 hydraulic valve prototype of a new series of prototype trial , Test and a full range of drawings design work. January 15, 1977 to 22 held in Shanghai a new series of hydraulic valve prototype of a typical prototype and a full range of drawings review meeting. There are 32 typical prototypes submitted to the conference for appraisal, and 265 sets of drawings submitted for review. 320 kg / cm ~ 2 Hydraulic valve The new series a total of 87 varieties