GB/T 45556-2025 Chinese PDF (GB /T45556-2025) GB 4789.38-2025 GB/T 45431-2025_Chinese: Forensic sciences -

GB/T 45431-2025_Chinese: Forensic sciences - Forged video and image of a person - Evaluation for examination system (Chinese: 法庭科学 伪造人像 检验系统评测)

7-2024_Chinese: Proton exchange membrane fuel cells - Part 7: Test method of carbon paper properties (Chinese: 质子交换膜燃料电池 第7部分：炭纸特性测试方法)

English versions: GB/T 19405

GB/T 17643-2025_Chinese: Geosynthetics - Polyethylene geomembrane (Chinese: 土工合成材料 聚乙烯土工膜)

2-2025_Chinese: Household electric direct-acting room heaters - Methods for measuring performance - Part 2: Additional provisions for the measurement of the radiant factor (Chinese: 家用直接作用式房间电加热器 性能测试方法 第2部分：辐射系数测量的附加规定)

GB/T 45556-2025 Chinese PDF (GB /T45556-2025) GB 4789.38-2025 GB/T 45431-2025_Chinese: Forensic sciences -GB T 45556 2025_Chinese: Determination of pentosan content in plant derived products Gas chromatography mass spectrometry method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45556 2025