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GB/T 21267-2024_Chinese: Petroleum and natural gas industries - Procedures for testing casing and tubing connections (Chinese: 石油天然气工业 套管及油管螺纹连接试验程序)
7-2024_Chinese: Methods for chemical analysis of silver - Part 7: Determination of gold and palladium content - Inductively coupled plasma emission spectrometry (Chinese: 银化学分析方法 第7部分：金、钯量的测定 电感耦合等离子体发射光谱法)
2-2024_Chinese: Electrical safety of machinery - Part 2: Examples of application for safety-related sensors used to protect persons (Chinese: 机械电气安全 第2部分：保护人员安全的传感器的应用示例)
English versions: GBZ27032-2025
GB/T 21413
GB/T 28617-2024 Chinese PDF (GB/T28617-2024) GB/T 44945-2024 GB/T 21267-2024_Chinese: Petroleum and naturalGB T 28617 2024_Chinese: General guidance for green manufacturing technology Foundry section (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28617 2024
