BS EN 60079-35-1:2011 Explosive atmospheres. Caplights for use in mines susceptible to firedamp. General requirements. Construction and testing in relation to the risk of explosion
2011BS EN 60079-35-1:2011 Explosive atmospheres. Caplights for use in mines susceptible to firedamp. General requirements. Construction and testing in relation to the risk of explosion
2006BS EN 62013-1:2006 Caplights for use in mines susceptible to firedamp. General requirements. Construction and testing in relation to the risk of explosion
2002BS EN 62013-1:2002 Caplights for use in mines susceptible to firedamp - General requirements - Construction and testing in relation to the risk of explosion