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1982年6月12日～21日在北京自来水公司水表(?)对水口径(口径15、20、25、32、40、50mm)旋翼式(?)表图纸进行了自1967年定型以来的第三次修订。(?)次修订是在保证易损件能与原结构正常互换的原则(?)进行的。修订工作由机械工业部上海工业自动化仪(?)研究所主持,参加单位有宁波水表厂、天津自仪三(?)、福州水表厂、常德水表工业公司、上海仪表机械厂和北京、上海、南京、天津自来水公司水表厂。
June 12, 1982 to 21 in the Beijing Water Company water meter (?) On the water diameter (diameter 15,20,25,32,40,50 mm) rotor (?) Table drawings since 1967 stereotypes Three amendments. (?) Amendments are made on the principle of ensuring that consumable parts are properly interchangeable with the original structure (?). The revision work was presided over by the Shanghai Institute of Industrial Automation (?) Institute of Machinery Industry, with the participation of Ningbo Water Meter Factory, Tianjin Instrument Three (?), Fuzhou Water Meter Factory, Changde Water Meter Industrial Co., Shanghai Instrument Machinery Factory and Beijing, Shanghai, Nanjing, Tianjin Water Company water meter factory.