000 00219nam a2200085 4500
080 _a621.314.1/.2
_b: 621.38 NOR.64
245 _aElectronic transformers
100 _aNordenberg, Harold M
260 _aN.Y.
_bReinhold Pub.Corpn
_c1964
300 _ax+298p
999 _c25242
_d25242