Cross References: BS 8468-1 BS EN 137:2006 BS EN 659 BS EN 60079-11 BS EN 60529 BS EN 61000-6-2 NFPA 1971 NFPA 1982:2007 BS 5438 BS EN 136 BS EN 50020 BS EN 60529 BS EN 60804 94/9/EC 2004/108/EC 89/336/EEC 96/58/EC 89/686/EEC
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