GB/T 45508-2025 Chinese PDF (GB /T45508-2025) GB 2099.7-2024 8-2023_Chinese: Ferroniobium - Determination of

8-2023_Chinese: Ferroniobium - Determination of titanium content - Chromotropic acid photometric method and diantipyrylmethane photometric method (Chinese: 铌铁 钛含量的测定 变色酸光度法和二安替比林甲烷光度法)

22-2023_Chinese: Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 22: Lists of properties (LOPs) of valve body assemblies for electronic data exchange (Chinese: 工业过程测量和控制 过程设备目录中的数据结构和元素 第22部分：阀体总成电子数据交换用属性列表(LOPs))

1-二氯乙烷的残留量和迁移量的测定)

3-2024_Chinese: Antimicrobial and cleaning function of household and similar electrical appliances - Part 3: Particular requirements for air cleaner (Chinese: 家用和类似用途电器的抗菌、除菌、净化功能 第3部分：空气净化器的特殊要求)

English versions: GB/T 43318-2023

GB/T 45508-2025 Chinese PDF (GB /T45508-2025) GB 2099.7-2024 8-2023_Chinese: Ferroniobium - Determination ofGB T 45508 2025_Chinese: Machine readable standards capability classification model and assessment (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45508 2025