标题: 求助 : BS EN 50464-4:2007+A1:2011 [打印本页] 作者: jacksonmoss 时间: 2013-12-7 10:27:31 标题: 求助 : BS EN 50464-4:2007+A1:2011
BS EN 50464-4:2007+A1:2011
Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2500 kVA with highest voltage for equipment not exceeding 36 kV Requirements and tests concerning pressurised corrugated tanks 作者: sigh007 时间: 2013-12-7 10:27:32