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 China 'GB/T 31983.31-2017 ' standard english version:

　

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 31983.31-2017

Narrow band power line communication over low-voltage mains—Part 31：Narrow band orthogonal frequency division multiplexing power line—Communication physical layer specification
低压窄带电力线通信 第31部分：窄带正交频分复用电力线通信 物理层规范
Issued Date:2017-05-12 　 Implemented Date:2017-12-01
Issued by: 　 The Standardization Administration of the People's Republic of China
　

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GB Standard Code GB/T 31983.31-2017
Standard Category China National Standards
GB Standard English Title Narrow band power line communication over low-voltage mains—Part 31：Narrow band orthogonal frequency division multiplexing power line—Communication physical layer specification
GB Standard Chinese Title 低压窄带电力线通信 第31部分：窄带正交频分复用电力线通信 物理层规范
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