GB/T 14048.9-2024 Chinese PDF (GB/T14048.9-2024) GB/T 45496-2025 English versions: GBZ45492-2025

English versions: GBZ45492-2025

and the use of cast irons (Chinese: 石油天然气工业 油气开采中用于含硫化氢环境的材料 第2部分：抗开裂碳钢、低合金钢和铸铁)

English versions: GB 30180-2024

GB/T 14207-2024_Chinese: Test method for water absorption of sandwich constructions or cores (Chinese: 夹层结构或芯子吸水性试验方法)

GBZ45492-2025_Chinese: Course development guide for education about standardization - National quality infrastructure and its application (Chinese: 标准化教育课程建设指南 国家质量基础设施（NQI）及应用)

GB/T 14048.9-2024 Chinese PDF (GB/T14048.9-2024) GB/T 45496-2025 English versions: GBZ45492-2025GB T 14048. 9 2024_Chinese: Low voltage switchgear and controlgear Part 6 2: Multiple function equipment Control and protective switching devices (or equipment) (CPS) (Chinese: 6 2: CPS) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 14048. 9 2024