GB/T 4706.74-2024 Chinese PDF (GB/T4706.74-2024) GB/T 33290.25-2024 English versions: GB/T 37364

English versions: GB/T 37364

6-2023_Chinese: Chemical analysis methods of rare earth impurities in rare earth metals and their oxides - Part 6: Determination of lanthanum

GB/T 45548-2025_Chinese: Determination of isotope abundance of deuterated reagents - Nuclear magnetic resonance spectroscopy (Chinese: 氘代试剂同位素丰度的测定 核磁共振波谱法)

14-2024_Chinese: Non-destructive testing - Terminology - Part 14: Visual testing (Chinese: 无损检测 术语 第14部分：视觉检测)

49-2024_Chinese: Fire hazard testing for electric and electronic products - Part 49: Arc test method - Arc ignition test method for materials (Chinese: 电工电子产品着火危险试验 第49部分：电弧法 材料的电弧着火试验方法)

GB/T 4706.74-2024 Chinese PDF (GB/T4706.74-2024) GB/T 33290.25-2024 English versions: GB/T 37364GB T 4706. 74 2024_Chinese: Safety of household and similar electrical appliances Part 74: Particular requirements for sewing machines (Chinese: 74) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 74 2024