GB/T 4894-2024 Chinese PDF (GB/T4894-2024) GB/T 17216-2025 10-2024_Chinese: Determination of certain substances

10-2024_Chinese: Determination of certain substances in electrical and electronic products - Part 10: Polycyclic aromatic hydrocarbons (PAHs) in polymers and electronics by gas chromatography-mass spectrometry (GC-MS) (Chinese: 电子电气产品中某些物质的测定 第10部分：气相色谱-质谱法（GC-MS）测定聚合物和电子件中的多环芳烃（PAHs）)

English versions: GB/T 19812

English versions: GB/T 45012-2024

GB/T 45004-2024_Chinese: Evaluation guide for low-carbon enterprises in iron and steel industry (Chinese: 钢铁行业低碳企业评价指南)

English versions: GB 1002-2024

GB/T 4894-2024 Chinese PDF (GB/T4894-2024) GB/T 17216-2025 10-2024_Chinese: Determination of certain substancesGB T 4894 2024_Chinese: Information and documentation Foundation and vocabulary (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4894 2024