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GB/T 20656-2023_Chinese: Petroleum and natural gas industries - Field inspection of new casing
1-2024_Chinese: Lifting appliances - Intelligent systems - Part 1: Vocabulary and classification (Chinese: 起重机械 智能化系统 第1部分：术语和分级)
GB 41317-2024_Chinese: Stainless steel corrugated tubes for the connection of gas appliances (Chinese: 燃气用具连接用不锈钢波纹软管)
GB/T 21218-2023_Chinese: Unused silicone insulating liquids for electrotechnical purposes (Chinese: 电气用未使用过的硅绝缘液体)
GB/T 30519-2024 Chinese PDF (GB/T30519-2024) GB 6944-2025 GB/T 20656-2023_Chinese: Petroleum and naturalGB T 30519 2024_Chinese: Determination of hydrocarbon types and benzene content in light petroleum distillates and products Multidimensional gas chromatography method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30519 2024
