Pay in 4 interest-free payments of $9.75 Learn more
Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
GBZ45261-2025_Chinese: Course development guide for education about standardization - Fundamentals of conformity assessment (Chinese: 标准化教育课程建设指南 合格评定基础知识)
GB 43854-2024_Chinese: Safety technical specification of lithium-ion battery for electric bicycle (Chinese: 电动自行车用锂离子蓄电池安全技术规范)
GB/T 14896
6-2025_Chinese: Rules for agricultural seed testing - Part 6: Sowing quality - Determination of moisture content (Chinese: 农作物种子检验规程 第6部分：播种质量 水分测定)
GB/T 20991-2024_Chinese: Foot protection - Test methods for footwear (Chinese: 足部防护 鞋的测试方法)
GB 31830-2024 Chinese PDF GB/T 45543-2025 GBZ45261-2025_Chinese: Course development guide forGB 31830 2024_Chinese: Norm of energy consumption per unit production of toluene diisocyanate and diphenyl methane diisocyanate (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 31830 2024
US$ 34.90
US$ 39.90
US$ 34.90
US$ 149.00
US$ 49.90
US$ 54.90
US$ 45.90
US$ 35.90
US$ 32.90
US$ 34.90
US$ 39.90
US$ 18.95
