GB/T 4214.4-2008 Household and similar electrical appliances noise test methods Particular requirements for washing machines and centrifugal dehydrators (English Version)
2020GB/T 4214.4-2020 Test method for noise of household and similar electrical appliances—Particular requirements for washing machines and spin extractors
2009GB/T 4214.4-2008 Household and similar electrical appliances noise test methods Particular requirements for washing machines and centrifugal dehydrators