000 00271nam a2200121Ia 4500
008 220201s2019 xx 000 0 eng d
100 _aRATTAN S S
245 0 _aTHEORY OF MACHINES
250 _a5
260 _aCHENNAI
_bMCGRAW HILL
_c2019
300 _a862
942 _2ddc
999 _c94179
_d94179