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IEEE C57.12.40-2017IEEE Standard for Network, Three-Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed)standard by IEEE, 08/31/2017
IEEE C57.12.40-2011IEEE Standard for Network, Three-Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 GrdY/19 920 and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed)standard by IEEE, 01/25/2012
IEEE C57.12.40-2006IEEE Standard for Requirements for Secondary Network Transformers, Subway and Vault Types (Liquid-Immersed)Amendment by IEEE, 09/15/2006
IEEE C57.12.40-2000American National Standard for Secondary Network Transformers Subway and Vault Types (Liquid Immersed)-Requirementsstandard by IEEE, 12/31/2000
IEEE C57.12.39-2017IEEE Standard for Requirements for Distribution Transformer Tank Pressure Coordinationstandard by IEEE, 05/04/2018
IEEE C57.12.39-2017IEEE Standard for Requirements for Distribution Transformer Tank Pressure Coordinationstandard by IEEE, 05/04/2018
IEEE C57.12.37-2015IEEE Standard for the Electronic Reporting of Distribution Transformer Test Datastandard by IEEE, 10/28/2015
IEEE C57.12.37-2006IEEE Standard for the Electronic Reporting of Distribution Transformer Test Datastandard by IEEE, 07/21/2006
IEEE C57.12.36-2017IEEE Standard Requirements for Liquid-Immersed Distribution Substation Transformersstandard by IEEE, 08/31/2017
IEEE C57.12.36-2007IEEE Standard Requirements for Liquid-Immersed Distribution Substation Transformersstandard by IEEE, 03/07/2008
IEEE C57.12.35-2013IEEE Standard Bar Coding for Distribution Transformers and Step-Voltage Regulatorsstandard by IEEE, 09/23/2013
IEEE C57.12.35-2007IEEE Standard for Bar Coding for Distribution Transformers and Step-Voltage Regulatorsstandard by IEEE, 12/27/2007