GB/T 11420-2024 Chinese PDF (GB/T11420-2024) GB/T 18487.5-2024 English versions: GB/T 44922-2024

English versions: GB/T 44922-2024

English versions: GB/T 13963-2025

1-2025_Chinese: IPv4/IPv6 network security protection technical specifications - Part 1: IP bearer network (Chinese: IPv4/IPv6网络安全防护技术规范 第1部分：IP承载网)

GB/T 45516-2025_Chinese: Leather and fur - Chemical tests - Determination of ethylene glycol ethers content (Chinese: 皮革和毛皮 化学试验 乙二醇醚类物质含量的测定)

GB/T 45276-2025_Chinese: Juvenile products - Guide for design and application of labelling and markings (Chinese: 婴童用品 标识设计及应用指南)

GB/T 11420-2024 Chinese PDF (GB/T11420-2024) GB/T 18487.5-2024 English versions: GB/T 44922-2024GB T 11420 2024_Chinese: Vitreous and porcelain enamels Test method of specular glossiness (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 11420 2024