GB/T 42151.72-2024 Chinese PDF (GB /T42151.72-2024) GB/T 22283-2025 GB/T 20424-2025_Chinese: The specification for

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)

English versions: GB/T 16605-2024

English versions: GB/T 28572-2025

English versions: GB/T 15470

English versions: GB/T 18737

GB/T 42151.72-2024 Chinese PDF (GB /T42151.72-2024) GB/T 22283-2025 GB/T 20424-2025_Chinese: The specification forGB T 42151. 72 2024_Chinese: Communication networks and systems for power utility automation Part 7 2: Basic information and communication structure Abstract communication service interface(ACSI) (Chinese: 7 2 ACSI) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42151. 72 2024