621.815 BHA 118992
Bhatt, N. D. Machine drawing / by N. D. Bhatt . - 50th rev. ed.. - New Delhi : Charotar publishing house pvt ltd, 2011 xvi, 708p. Includes index. 978-93-80358-17-8 * Engineering drawing Machines design * Pnachal. V.M., Auth.Ingle, Pramod R., Auth. * Title
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