000 00274nam a2200121Ia 4500
008 220201s1980 xx 000 0 eng d
100 _aGupta, RB
245 0 _aTb of engineering drawing
250 _a4th
260 _bSatya Prakashan
_c1980
300 _a809
942 _2ddc
999 _c81508
_d81508