000 00275nam a2200121Ia 4500
008 220201s1982 xx 000 0 eng d
082 _a670
_bGUP
100 _aGupta, RB
245 0 _aProduction technology
260 _bSatya Prakashan
_c1982
300 _a810
942 _2ddc
999 _c82708
_d82708