GB/T 23031.3-2023 Chinese PDF (GB/T23031.3-2023) GB/T 44934-2024 GB/T 41771

GB/T 41771

GB/T 20776-2023_Chinese: Classification for lifting appliances (Chinese: 起重机械分类)

GB/T 20972

GB/T 45324-2025_Chinese: Determination of powder resistivity for cathode materials of lithium ion battery (Chinese: 锂离子电池正极材料粉末电阻率的测定)

5-2025_Chinese: National food safety standard - Determination of protein in food (Chinese: 食品安全国家标准 食品中蛋白质的测定)

GB/T 23031.3-2023 Chinese PDF (GB/T23031.3-2023) GB/T 44934-2024 GB/T 41771GB T 23031. 3 2023_Chinese: Industrial Internet platform Application and implementation guide Part 3: Intelligentize manufacturing (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23031. 3 2023