GB/T 7000.217-2023 Chinese PDF (GB/T7000.217-2023) YY/T 1860.1-2024 4-2024_Chinese: Chemical analysis methods of

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/T 16649

17-2024_Chinese: Safety requirements for electrical equipment for measurement

GB/T 43309-2023_Chinese: Determination of chemical elements in glass fiber and its raw materials - X-ray fluorescence spectrometry (Chinese: 玻璃纤维及原料化学元素的测定 X射线荧光光谱法)

English versions: GB/T 37036

GB/T 7000.217-2023 Chinese PDF (GB/T7000.217-2023) YY/T 1860.1-2024 4-2024_Chinese: Chemical analysis methods ofGB T 7000. 217 2023_Chinese: Luminaires Part 2 17: Particular requirements Luminaires for stage lighting, television, film and photographic studios(outdoor and indoor) (Chinese: 2 17 ()) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7000. 217 2023