000 00316nam a2200121Ia 4500
008 220201s1972 xx 000 0 eng d
082 _a621.9
_bGUP
100 _aGupta, KN & Kaushish, JP
245 0 _aWorkshop technology, theory & practice
260 _bNew Delhi: New Heights
_c1972
300 _a488
942 _2ddc
999 _c78529
_d78529