1、 IEC 61504 Edition 2.0 2017-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Nuclear facilities Instrumentation and control systems important to safety Centralized systems for continuous monitoring of radiation and/or levels of radioactivity Installations nuclaires Systmes dinstrumentation et de contr
2、le-commande importants pour la sret Systmes centraliss pour la surveillance en continu des rayonnements et/ou des niveaux de radioactivit IEC 61504:2017-05(en-fr)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of th
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