Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
YD/T 4135-2022 |
Technical Requirements for Implementing Number Portability in LTE Networks {译} LTE网络实施号码携带的技术要求 |
China Telecommunication Industry
Standards Implementing |
English PDF |
DL 434-1991 |
Regulations for Implementing the legal units of measure in power plant water chemistry 电厂化学水专业实施法定计量单位的有关规定 |
China Electricity & Power
Standards Implementing |
English PDF |
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