ICS 01.040.17 L 85 GB 中华人民共和国国家标准 GB/T2900.90—2012/IEC60050（300-314）:2001 电工术语电工电子测量和仪器仪表第4部分：各类仪表的特殊术语 Electrotechnical terminologyElectrical and electronic measurements and measuring instrumentsPart 4 :Specific terms according to the type of instruments (IEC 60050(300):2001,InternationalElectrotechnical Vocabulary Electrical and electronic measurementsand measuring instruments Part 314:Specific terms according to the type of instruments,IDT) 2012-06-29发布 2012-09-01实施中华人民共和国国家质量监督检验检疫总局发布中国国家标准化管理委员会