VDE 0170-9/A1-2017 "Explosive atmospheres - Part 18: Equipment protection by encapsulation ""m"" (IEC 31/1288/CDV:2016); German version EN 60079-18:2015/prA1:2016"
"Explosionsgefaehrdete Bereiche - Teil 18: Geraeteschutz durch Vergusskapselung ""m"" (IEC 31/1288/CDV:2016); Deutsche Fassung EN 60079-18:2015/prA1:2016"
"Explosive atmospheres - Part 18: Equipment protection by encapsulation ""m"" (IEC 31/1288/CDV:2016); German version EN 60079-18:2015/prA1:2016" 是非强制性国家标准,您可以免费下载前三页