GB/T 30843.1-2024 Chinese PDF (GB /T30843.1-2024) GB/T 12540-2024 GB/T 3606-2025_Chinese: Domestic biogas stove

GB/T 3606-2025_Chinese: Domestic biogas stove (Chinese: 家用沼气灶)

GB/T 20424-2025_Chinese: The specification for limit on harmful element content of the heavy nonferrous metal concentrates products (Chinese: 重有色金属精矿产品中有害元素的限量规范)

GB/T 32825-2024_Chinese: Technical parameters and requirements for three-phase dry-type tridimensional wound core power transformers (Chinese: 三相干式立体卷铁芯电力变压器技术参数和要求)

GB/T 18892-2024_Chinese: Environmental protect requirements of copying machines - Energy saving requirements for copiers and multi-function devices (Chinese: 复印机械环境保护要求 复印机及多功能一体机节能要求)

GB/T 30843.1-2024 Chinese PDF (GB /T30843.1-2024) GB/T 12540-2024 GB/T 3606-2025_Chinese: Domestic biogas stoveGB T 30843. 1 2024_Chinese: Variable frequency drive above 1 kV and not exceeding 35 kV Part 1: Technical conditions (Chinese: 1 kV35 kV 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30843. 1 2024