GB/T 24045-2024 Chinese PDF (GB /T24045-2024) GB/T 23723.5-2025 and the use of cast

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)

3-2025_Chinese: Types and dimensions of lamp caps - Part 3: Prefocus caps (Chinese: 灯头的型式和尺寸 第3部分：预聚焦式灯头)

GB 20071-2025_Chinese: The protection of the occupants in the event of a lateral collision (Chinese: 汽车侧面碰撞的乘员保护)

3-2025_Chinese: Norm of water intake for industry in the Yellow River basin - Part 3: Coal to olefin (Chinese: 黄河流域工业用水定额 第3部分：煤制烯烃)

GB/T 24045-2024 Chinese PDF (GB /T24045-2024) GB/T 23723.5-2025 and the use of castGB T 24045 2024_Chinese: Environmental management Eco efficiency assessment of product systems Principles, requirements and guidelines (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24045 2024