BS EN 50281-3:2002 Electrical apparatus for use in the presence of combustible dust - Classification of areas where combustible dusts are or may be present
2015BS EN 60079-10-2:2015 Explosive atmospheres. Classification of areas. Explosive dust atmospheres
2009BS EN 60079-10-2:2009 Explosive atmospheres - Classification of areas - Combustible dust atmospheres
2004BS EN 61241-10:2004 Electrical apparatus for use in the presence of combustible dust - Classification of areas where combustible dusts are or may be present
2002BS EN 50281-3:2002 Electrical apparatus for use in the presence of combustible dust - Classification of areas where combustible dusts are or may be present