670 RAO 118009 118010 118011 118012 118013 118014
Rao, P. N. Manufacturing technology: Vol 1 foundry, forming and welding / by P. N. Rao. - 5th. - New Delhi : Tata McGraw-Hill, 2021 xxiii, v. p. :ill. Includes index. 9789353160500 * Forming Manufacturing process Welding
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