GB/T 45409-2025 Chinese PDF (GB /T45409-2025) GB/T 25246-2025 English versions: GB/T 45157-2024

English versions: GB/T 45157-2024

English versions: GB/T 45194-2024

GB/T 45149-2025_Chinese: Technical specification at the project level for assessment of greenhouse gas emission reductions - Biomass power generation and cogeneration project (Chinese: 基于项目的温室气体减排量评估技术规范 生物质发电及热电联产项目)

8-2025_Chinese: Norm of water intake for industry - Part 8: Synthetic ammonia (Chinese: 工业用水定额 第8部分：合成氨)

English versions: GB/T 45200-2025

GB/T 45409-2025 Chinese PDF (GB /T45409-2025) GB/T 25246-2025 English versions: GB/T 45157-2024GB T 45409 2025_Chinese: Cybersecurity technology Technical specifications for operation and maintenance security management products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45409 2025