00742 a2200241 4500 ITTG3119 OSt 20250115011654.0 241215s1991 |||||||||||||||||| #d ISBN 978-968-880-236-6 (13) --ISBN 968-880-236-0 (10) ITTG ITTG spa 621.381043 H45 HELFRICK, ALBERT D. INSTRUMENTACION ELECTRONICA MODERNA Y TECNICAS DE MEDICION/ A.D. HELFRICK, W.D. COOPER. MEXICO: PRENTICE-HALL 1991 XII, 450 P. 23 CM. 24 1.ELECTRONICA - APARATOS Y ACCESORIOS. 2.MEDICIONES ELECTRONICAS. COOPER, WILLIAM D. ddc 1 20120229 10:59:54 3031 3031 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 621.381043 H45 18191 2025-01-15 07:16:54 ej.8 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 621.381043 H45 21831 2025-01-15 07:16:54 ej.9 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2009-08-13 0 621.381043 H45 38095 2025-01-15 07:16:55 ej.16 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2012-03-01 0 621.381043 H45 46613 2025-01-15 07:16:55 ej.20 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2012-03-01 0 621.381043 H45 46614 2025-01-15 07:16:55 ej.21 2025-01-15 1 0 0 ddc 0 0 RES 1 1 GEN 2012-03-01 0 621.381043 H45 46615 2025-08-21 00:00:00 ej.22 2025-01-15 1 0 0 ddc 0 0 1 1 GEN 2012-03-01 0 621.381043 H45 46616 2025-01-15 07:16:55 ej.23 2025-01-15 1