1、 IEC 61821 Edition 2.0 2011-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Electrical installations for lighting and beaconing of aerodromes Maintenance of aeronautical ground lighting constant current series circuits Installations lectriques pour lclairage et le balisage des arodromes Maintenance d
2、es circuits srie courant constant pour le balisage aronautique au sol IEC 61821:2011 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.THIS PUBLICATION
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