IEC-50(448) › Complete Document History
International Electrotechnical Vocabulary - Chapter 448: Power system protection
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2ND EDITION - CHAPTER 448: POWER SYSTEM PROT - Dec. 1, 1995
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CORRIGENDUM - CHAPTER 448: POWER SYSTEM PROT - Oct. 1, 1987
1ST EDITION - CHAPTER 448: POWER SYSTEM PROT - Jan. 1, 1987 |