Standard [CURRENT]
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This document has been partially replaced by BS EN 60512-17-1:2010-11-30 , BS EN 60512-17-2:2011-07-31 , BS EN 60512-17-3:2010-11-30 , BS EN 60512-17-4:2010-11-30 , BS EN 60512-19-1:2010-07-31 , BS EN 60512-20-1:2010-08-31 , BS EN 60512-20-3:2010-08-31 , BS EN 60512-21-1:2010-08-31 , BS EN 60512-22-1:2010-08-31 .