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GB/T 1966-2024_Chinese: Porous ceramics - Determination of apparent porosity and bulk density (Chinese: 多孔陶瓷 显气孔率和体积密度的测定)
2-2025_Chinese: IPv4/IPv6 network security protection technical specifications - Part 2: Mobile communication network (Chinese: IPv4/IPv6网络安全防护技术规范 第2部分：移动通信网)
English versions: GB/T 37376-2024
GB/T 30163-2023_Chinese: Specifications of top combustion stove with high blast temperature for blast furnace (Chinese: 高炉用高风温顶燃式热风炉节能技术规范)
GB/T 45595-2025_Chinese: Centrifugal refrigerant compressors (Chinese: 离心式制冷剂压缩机)
GB/T 32590.1-2024 Chinese PDF (GB/T32590.1-2024) GB/T 5506.2-2024 GB/T 1966-2024_Chinese: Porous ceramics -GB T 32590. 1 2024_Chinese: Railway applications Suburban railway and urban guided transport management and command control systems Part 1: System principles and fundamental concepts (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 32590. 1 2024
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