000 00337nam a2200085Ia 4500
008 180131b2009 xxu||||| |||| 00| 0 eng d
080 _a
_b
100 _aInternational Electrotechnical Commission
245 _aIec: 60255-1(Ed-1.0) - 2009-08; Measuring Relays And Protection Equipment - Part 1: Common Requiremn
260 _a
_bInternational Electrotechnical Commission
_c2009
999 _c57961
_d57961