GB/T 18721.5-2024 Chinese PDF (GB/T18721.5-2024) GB/T 30637-2025 English versions: GB 6514-2023

English versions: GB 6514-2023

1-2024_Chinese: Multimode optical fibres for telecommunication - Part 1: Sectional specification for category A1 multimode fibres (Chinese: 通信用多模光纤 第1部分：A1类多模光纤特性)

English versions: GB/T 15342-2023

English versions: GB/T 45059-2024

GB/T 10082-2024_Chinese: Rail car - Heavy-duty rail motor car (Chinese: 轨道车 重型轨道车)

GB/T 18721.5-2024 Chinese PDF (GB/T18721.5-2024) GB/T 30637-2025 English versions: GB 6514-2023GB T 18721. 5 2024_Chinese: Graphic technology Prepress digital data exchange Part 5: Scene referred standard colour image data(RIMM SCID) (Chinese: 5 RIMM SCID) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18721. 5 2024