DIN EN 61241-18:2005 Electrical apparatus for use in the presence of combustible dust - Part 18: Protection by encapsulation "mD" (IEC 61241-18:2004); German version EN 61241-18:2004
2005DIN EN 61241-18:2005 Electrical apparatus for use in the presence of combustible dust - Part 18: Protection by encapsulation "mD" (IEC 61241-18:2004); German version EN 61241-18:2004