GB/T 38001.53-2024 Chinese PDF (GB/T38001.53-2024) GB 5009.18-2025 installations and equipment and industrial

installations and equipment and industrial products - Designation of signals - Part 1: Basic rules (Chinese: 工业系统、装置与设备以及工业产品 信号代号 第1部分：基本规则)

GB/T 30306-2024_Chinese: Household and similar purposes drinking water treatment filter (Chinese: 家用和类似用途饮用水处理滤芯)

GB/T 18936-2025_Chinese: Diagnostic techniques for avian influenza (Chinese: 禽流感诊断技术)

English versions: GB/T 3653

1-2025_Chinese: Technical specification of energy absorption device for high voltage direct current(HVDC) power transmission - Part 1: DC controllable and self-recovery energy absorption device (Chinese: 高压直流输电用消能装置技术规范 第1部分：直流可控自恢复消能装置)

GB/T 38001.53-2024 Chinese PDF (GB/T38001.53-2024) GB 5009.18-2025 installations and equipment and industrialGB T 38001. 53 2024_Chinese: Flexible display devices Part 5 3: Visual assessment of image quality and defects (Chinese: 5 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 38001. 53 2024