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11-2023_Chinese: Internal combustion engines - Piston rings - Part 11: Half keystone rings made of cast iron (Chinese: 内燃机 活塞环 第11部分：楔形铸铁环)
GB/T 22553-2023_Chinese: Guidance for the use of repeatability
GB/T 20878-2024_Chinese: Stainless steels - Designation and chemical composition (Chinese: 不锈钢 牌号及化学成分)
10-2024_Chinese: Ferroniobium - Determination of aluminum content - EDTA titrimetric method (Chinese: 铌铁 铝含量的测定 EDTA滴定法)
English versions: GB/T 45569-2025
GB/T 4706.87-2024 Chinese PDF (GB/T4706.87-2024) GB/T 20183.2-2024 11-2023_Chinese: Internal combustion engines -GB T 4706. 87 2024_Chinese: Safety of household and similar electrical appliances Part 87: Particular requirements for commercial spray extraction machines (Chinese: 87) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 87 2024
