VDE 0413-7-2018 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing@ measuring or monitoring of protective measures - Part 7: Phase sequence (IEC 85/613/CD:2017)
Elektrische Sicherheit in Niederspannungsnetzen bis AC 1000 V und DC 1500 V - Geraete zum Pruefen@ Messen oder Ueberwachen von Schutzmassnahmen - Teil 7: Drehfeld (IEC 85/613/CD:2017)
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing@ measuring or monitoring of protective measures - Part 7: Phase sequence (IEC 85/613/CD:2017) 是非强制性国家标准,您可以免费下载前三页