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)

English versions: GB/T 43318-2023

36-2024_Chinese: Requirements of the greenhouse gas emissions accounting and reporting - Part 36: Thermal insulation enterprise (Chinese: 温室气体排放核算与报告要求 第36部分:绝热材料生产企业)

English versions: GB/T 45117-2024

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