00664cam a22002534a 4500 37375 AR-SsjUBGM 20251206162938.0 250720s1939 xxu 000 0 eng d AR-SsjUBGM AR-SsjUBGM eng xxu 669.01 Kehl, George L. 16707 The principles of matallographic laboratory practice. New York : McGraw-Hill, 1939. 359 p. : il. ; 23 cm Metalurgia Experimentos Metalografía Libro 14 LB cdu idgym 2004-10-01 37375 37375 0 0 cdu 0 0 GM GM 2025-12-06 Compra 02194 0 669.01 KEH GM02194 2025-12-06 00:00:00 2025-12-06 LB