Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
YD/T 4164-2022 |
Work coordination mechanism among interconnection and number portability transfer enterprises and inter-network Problem handling requirements {译} 互联互通及携号转网企业间工作协调机制和网间问题处理要求 |
China Telecommunication Industry
Standards Problem |
English PDF |
HJ 1174-2021 |
National Ecological Status Survey and Evaluation Technical Specifications - Ecological Problem Assessment{译} {译} 全国生态状况调查评估技术规范——生态问题评估 |
China Environment Industry
Standards Problem |
English PDF |
SY/T 5247-2008 |
Recommended handling methods of downhole Problems in drilling 钻井井下故障处理推荐方法 |
China Oil & Gas Industry
Standards Problem |
English PDF |
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