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根据国家标准总局和农机部1981年标准化工作计划的安排,内燃机活塞、铝活塞、气缸套、主轴瓦及连杆轴瓦、连杆螺栓、连杆螺母,正时齿轮技术条件国家标准和粉末冶金气门导管技术条件农机部标准审查会议于1981年9月7～13日在杭州市召开。出席国、部标准审查会议的有国家标准总局,农机部、交通部、浙江省农机局、杭州市机械局等主管部门代表和主机厂、配件厂、研究所、配件公司、运输公司等50个单位共73名代表、其中有领导干部和多年来从事内燃机设计、制造工
According to the State Bureau of Standards and the Ministry of Agriculture in 1981 standardization work plan arrangements, the internal combustion engine piston, aluminum piston, cylinder liner, the main bearing and connecting rod bearings, connecting rod bolts, connecting rod nut, timing gear technical conditions of national standards and powder metallurgy valve Catheter technical conditions Agricultural Machinery Department standard review meeting in September 1981 7 to 13 held in Hangzhou. Attendance at the national and ministerial standards review meeting of the State Bureau of Standards, Ministry of Agriculture, Ministry of Transportation, Zhejiang Agricultural Machinery Bureau, Hangzhou Machinery Bureau and other competent departments and representatives of OEMs, parts factories, research institutes, parts companies, transport companies, etc. 50 A total of 73 units, including leading cadres and for many years engaged in internal combustion engine design, manufacturing