621.80222 BHA 17227 17188 17211 17216 17220 17549
Bhatt, N. D. Machine drawing / by N. D. Bhatt and V. M. Panchal. - 19th ed. - Madras : Charotar, 1985 213p. ill. Includes index. Rs.85.00 * Engineering drawing Scew threads Technical drawing * Panchal, V. M. * Title
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