
Electrical Apparatus For The Detection And Measurement Of Flammable Gases - Part 5: Performance Requirements For Group 2 Apparatus Indicating A Volume Fraction Up To 100% Gas
出版:Verband Deutscher Elektrotechniker

专家解读视频
2001 [01/07/2001]1999 [01/07/1999]1993 [01/07/1993]
DIN EN 50058 : 1999 - Identical
DIN EN 61779-5 : 2001 - Corresponds
DIN EN 50058 : 1999 - Corresponds
DIN EN 50058 (1999-07) - Identical
IEC 61779-5 Ed. 1.0 - Identical
DIN EN 61779-5 (2001-07) - Identical