000 00300nam a2200121Ia 4500
008 220201s1992 xx 000 0 eng d
082 _a670
_bKHA
100 _aKhanna, OP
245 2 _aA textbook of production technology
260 _bDelhi: Dhanpat Rai & Sons
_c1992
300 _a872
942 _2ddc
999 _c84781
_d84781