000 00298nam a2200085Ia 4500
008 180131b1983 xxu||||| |||| 00| 0 eng d
080 _a
_b
100 _aInternational Electrotechnical Commission
245 _aIec: 431 - 1983; Dimensions Of Square Cores (Rm-Cores) Made Of Magnetic Oxides And Associated Parts
260 _a
_bIEC
_c1983
999 _c49957
_d49957