000 00277nam a2200121Ia 4500
008 220201s1967 xx 000 0 eng d
082 _a621.3
100 _aFred H Afreke
245 0 _aElectrical technology
260 _bKhanna Publisher
_c1967
300 _a414
942 _2ddc
999 _c74501
_d74501