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Choudhury, S. K.Hajra Elements of workshop technology: machine tools / by S. K.Hajra Choudhury and A. K.Hajra Choudhury. - 8th ed.. - Mumbai : Media promoters and publishers PVT LTD, 2011 2. V. (xvi,727p.;24cm) 8185099154. * Metal cutting Steel construction Structural steel * Choudhury, A.K.Hajra * Title
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