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 China 'GB/T 4214.21-2025 ' standard english version:

　

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 4214.21-2025

Noise Test Methods for Household and Similar Electrical Appliances - Part 21: Particular Requirements for Oral Hygiene Appliances
家用和类似用途电器噪声测试方法-第21部分：口腔卫生器具的特殊要求
Issued Date:2025/4/25 　 Implemented Date:2025/11/1
Issued by: 　 The Standardization Administration of the People's Republic of China
　

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GB Standard Code GB/T 4214.21-2025
Standard Category China National Standards
GB Standard English Title Noise Test Methods for Household and Similar Electrical Appliances - Part 21: Particular Requirements for Oral Hygiene Appliances{译}
GB Standard Chinese Title 家用和类似用途电器噪声测试方法-第21部分：口腔卫生器具的特殊要求
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