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GB/T 14542-1993 Guide for maintenance and supervision of transformeroil in service via email in ABOLISHED please email coc@codeofchina.com for quotation
DL/T 1095-2008 Guide to on-site determination of electrostatic charging tendency of transformer oil (USD) via email in 1-3 business day ABOLISHED
GB/T 7603-2012 Determination of the aromatic carbon content in mineral insulating oil (USD) via email in 1-3 business day VALID
GB/T 7599-1987 Determination of acid number in transformer and turbine oils in service by BTB method (USD) via email in 1-3 business day ABOLISHED
DL/T 722-2000 Guide to the analysis and the diagnosis of gases dissolved in transformer oil (USD) via email in 1-3 business day ABOLISHED
GB/T 7252-2001 Guide to the analysis and the diagnosis of gases dissolved in transformer oil via email in 1-3 business day please email coc@codeofchina.com for quotation
GB/T 7602.1-2008 Determination of T501 oxidation inhibitor content in transformer oil or turbine oil - Part 1: Spectrophotometric method (USD) via email in 1-3 business day VALID
GB 7602-1987 Determination of T501 oxidation inhibitor content in transformer and turbine oils in service by spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 25961-2010 Standard test method for corrosive sulfur in electrical insulating oils (USD) via email in 1-3 business day VALID
DL/T 1094-2008 Guide to the choice of power transformer oil (USD) via email in 1-3 business day ABOLISHED
GB 2536-2011 Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear (USD) via email in 1-3 business day VALID
SH/T 0207-1992 (USD) via email in 1-3 business day ABOLISHED
GB/T 7252-1987 Guide for the analysis and the diagnosis of gases dissolved in transformer oil (USD) via email in 1-3 business day ABOLISHED
SH/T 0304-1992 (USD) via email in 1-3 business day ABOLISHED
GB/T 17623-1998 Determination of componental contents of gases dissolved in insulating oil by gas chromatography method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
SH/T 0803-2007 Insulating liquids-Contamination by polychlorinated biphenyls(PCBs)--Method of determination by caplillary column gas chromatograhpy via email in VALID please email coc@codeofchina.com for quotation
GB 7598-1987 Determination of water-soluble acid in transformer and turbine oils in service by colormetric method (USD) via email in 1-3 business day ABOLISHED
GB/T 507-1986 Insulating oils--Determination of the dielectric strength (USD) via email in 1-3 business day ABOLISHED
SH/T 0271-1992 (USD) via email in 1-3 business day ABOLISHED
SH/T 0268-1992 (USD) via email in 1-3 business day VALID
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