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IEC

PDF Standards IEC 60947-5-4 Ed. 2.1 b:2019

Low-voltage switchgear and controlgear – Part 5-4: Control circuit devices and switching elements – Method of assessing the performance of low-energy contacts – Special tests CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 05/22/2019

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IEC

PDF Standards IEC 61031 Ed. 2.0 en:2020

Design, location and application criteria for installed area gamma radiation dose rate monitoring equipment for use in nuclear power plants during normal operation and anticipated operational occurrences
standard by International Electrotechnical Commission, 07/28/2020

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