GB/T 4706.87-2024 Chinese PDF (GB/T4706.87-2024) GB/T 20183.2-2024 GB/T 20878-2024_Chinese: Stainless steels -

GB/T 20878-2024_Chinese: Stainless steels - Designation and chemical composition (Chinese: 不锈钢 牌号及化学成分)

English versions: GB/T 45479-2025

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)

2-2025_Chinese: Optics and photonics - Test methods for telescopic systems - Part 2: Binoculars (Chinese: 光学和光子学 望远镜系统试验方法 第2部分：双筒望远镜)

English versions: GB/T 45574-2025

GB/T 4706.87-2024 Chinese PDF (GB/T4706.87-2024) GB/T 20183.2-2024 GB/T 20878-2024_Chinese: Stainless steels -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