000 00313nam a2200109Ia 4500
008 220201s1971 xx 000 0 eng d
100 _aBoard Of Tech Education Delhi
245 0 _aQuestion papers of the board of tech education, delhi Mech. Engg. 3rd year
260 _bDelhi
_c1971
300 _a107
942 _2ddc
999 _c78158
_d78158