China 'GB/T 19212.9-2016
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 19212.9-2016
Safety of transformers, reactors, power supply units and combinations thereof—Part 9: Particular requirements and tests for transformers and power supply units for bells and chimes 变压器、电抗器、电源装置及其组合的安全 第9部分:电铃和电钟用变压器及电源装置的特殊要求和试验
Issued Date:2016-08-29
Implemented Date:2017-03-01
Issued by:
The Standardization Administration of the People's Republic of China
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