GB 39800.9-2024 Chinese PDF GB/T 18281.1-2024 English versions: GB/T 15604-2024

English versions: GB/T 15604-2024

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)

English versions: GB/T 14896

GB/T 15969

GB/T 13000-2025_Chinese: Information technology - Universal coded character set(UCS) (Chinese: 信息技术 通用编码字符集（UCS）)

GB 39800.9-2024 Chinese PDF GB/T 18281.1-2024 English versions: GB/T 15604-2024GB 39800. 9 2024_Chinese: Specifications for the provision of personal protective equipment Part 9: Automobile industry (Chinese: 9) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 39800. 9 2024