000 00284nam a2200121Ia 4500
008 220201s1988 xx 000 0 eng d
082 _a621.815
_bSAD
100 _aSadhu Singh
245 0 _aMachine design
260 _bDelhi : Khanna Publishers
_c1988
300 _a628
942 _2ddc
999 _c84780
_d84780