GB/T 18721.3-2024 Chinese PDF (GB/T18721.3-2024) GB/T 45292-2025 2-2025_Chinese: General technical requirements for

2-2025_Chinese: General technical requirements for agricultural internet of things - Part 2: Facility horticulture (Chinese: 农业物联网通用技术要求 第2部分：设施园艺)

GB/T 4213-2024_Chinese: Pneumatic control valves (Chinese: 气动控制阀)

6-2024_Chinese: Proton exchange membrane fuel cell - Part 6: Test method of bipolar plate properties (Chinese: 质子交换膜燃料电池 第6部分：双极板特性测试方法)

GB/T 45626-2025_Chinese: Information technology - Equipment digital twin system - General requirements (Chinese: 信息技术 装备数字孪生系统 通用要求)

English versions: GB/T 15470

GB/T 18721.3-2024 Chinese PDF (GB/T18721.3-2024) GB/T 45292-2025 2-2025_Chinese: General technical requirements forGB T 18721. 3 2024_Chinese: Graphic technology Prepress digital data exchange Part 3: CIELAB standard colour image data(CIELAB SCID) (Chinese: 3 CIELABCIELAB 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. 3 2024