GB/T 27728.2-2024 Chinese PDF (GB/T27728.2-2024) GB/T 12604.14-2024 GB 21343-2023_Chinese: The norm of

GB 21343-2023_Chinese: The norm of energy consumption per unit production of calcium carbide

English versions: YY 0790-2024

GB/T 20965-2025_Chinese: Control network HBES technical specification - Home and building control system (Chinese: 控制网络HBES技术规范 住宅和楼宇控制系统)

1-2024_Chinese: Metallic materials - Knoop hardness test - Part 1: Test method (Chinese: 金属材料 努氏硬度试验 第1部分: 试验方法)

1-2024_Chinese: Variable-frequency drive of 1 kV and below - Part 1: Technical conditions (Chinese: 1 kV及以下通用变频调速设备 第1部分：技术条件)

GB/T 27728.2-2024 Chinese PDF (GB/T27728.2-2024) GB/T 12604.14-2024 GB 21343-2023_Chinese: The norm ofGB T 27728. 2 2024_Chinese: Wet wipes and similar products Part 2: Particular requirements for babies and children wet wipes (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27728. 2 2024