This method is applicable to the collection of oil-filled electrical equipment such as transformers, transformers, oil switches, bushings, and steam turbine oil analysis tests.
GB 7597-1987 history
2007GB/T 7597-2007 Method of sampling for transformer and turbine oils in electric power industry
1987GB 7597-1987 Method of sampling for transformer and turbine oils inelectric power industry
GB 7597-1987 Method of sampling for transformer and turbine oils inelectric power industry was changed to GB/T 7597-2007 Method of sampling for transformer and turbine oils in electric power industry.