TY - GEN AU - Chapman, W.A.J. TI - Workshop technology SN - 8123904010 U1 - 670.423 22 PY - 1972///- 1976 CY - New Delhi PB - CBS KW - Machine-shop practice N1 - Includes index N2 - [vol.1 An introductory course]-- [vol.3 ] ER -