000 00314nam a2200121Ia 4500
008 220201s1965 xx 000 0 eng d
082 _a621.9
_bHAJ
100 _aS.K. Hajra choudhury
245 0 _aElements of workshop technology
260 _bAisa Publishing house New Delhi
_c1965
300 _a388
942 _2ddc
999 _c72721
_d72721