VDE 0411-51-7-2019 Direct acting indicating analogue electrical measuring instruments and their accessories - Part 7: Special requirements for multi-function instruments (IEC 60051-7:2017); German version EN IEC 60051-7:2018
Direkt wirkend anzeigende analoge elektrische Messgeraete und ihr Zubehoer - Teil 7: Spezielle Anforderungen fuer Vielfach-Messgeraete (IEC 60051-7:2017); Deutsche Fassung EN IEC 60051-7:2018
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 7: Special requirements for multi-function instruments (IEC 60051-7:2017); German version EN IEC 60051-7:2018 是非强制性国家标准,您可以免费下载前三页