000 00273nam a2200109Ia 4500
008 220201s1967 xx 000 0 eng d
100 _aI S 4047-1967
245 0 _aAUDIO FREQUENCY TRANSFORMERS AND CHUTES USED
260 _aDELHI
_bI S I
_c1967
300 _a22
942 _2ddc
999 _c89066
_d89066