TY - BOOK AU - Dev,R. AU - Kumar, R.P., AU - Narang,K.C. TI - Workshop calculation and science [for fitter, turner and machinst] U1 - 621.75 PY - 0000///[19-?] CY - New Delhi PB - New Heights KW - workshops KW - Fraction KW - Mensuration KW - Metals KW - Electricity KW - Heat ER -