000 00297nam a2200121Ia 4500
008 220201s1972 xx 000 0 eng d
100 _aGUPTA M L
245 0 _aGENERAL AND ELECTRICAL ENGINERING MATERIALS
250 _a2
260 _aDELHI
_bRAINBOW BOOK CO
_c1972
300 _a362
942 _2ddc
999 _c90359
_d90359