GB/T 17529.5-2023 Chinese PDF (GB/T17529.5-2023) GB/T 4354-2025 English versions: GB/T 45220-2025

English versions: GB/T 45220-2025

English versions: GB/T 45556-2025

English versions: GB/T 14601-2025

4-2024_Chinese: Chemical analysis methods of mixed rare earth oxide of ion-absorption rare earth ore - Part 4: Determination of iron trioxide content - Inductively coupled plasma atomic emission spectrometry (Chinese: 离子型稀土矿混合稀土氧化物化学分析方法 第4部分：三氧化二铁含量的测定 电感耦合等离子体发射光谱法)

GB 44702-2024_Chinese: Specification for the limitation of harmful substances found in watch casings contacting directly with skin (Chinese: 直接接触人体皮肤的手表外观件中有害物质限量的规定)

GB/T 17529.5-2023 Chinese PDF (GB/T17529.5-2023) GB/T 4354-2025 English versions: GB/T 45220-2025GB T 17529. 5 2023_Chinese: Acrylic acid and acrylates for industrial use Part 5: 2 Ethylhexyl acrylate for industrial use (Chinese: 52 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17529. 5 2023