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发表于 2006-11-16 17:07:00
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pren50470-1交流电电表
Part 1: General requirements, tests and test conditions – measurement equipment (accuracy classes A, B and C)第一部分:总体要求、试验和试验条件-测量仪器(精度班一、二、三)
prEN50470-2 Alternating current electricity meterspren50470-2交流电电表
Part 2: Special requirements - electronic active electrical meters of accuracy classes A and B第二部分:特殊要求-电子电器仪表活跃准确性和B班
prEN50470-3 Alternating current electricity meterspren50470-3交流电电表
Part 3: Special requirements - electronic active electrical meters of accuracy classes A, B and C第三部分:特殊要求-电子电器活跃7-8米班A,B和C
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