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GB/T 20244-2025_Chinese: Fiber optic elements for image transmission (Chinese: 光学纤维传像元件)
English versions: GB/T 45417-2025
English versions: GB/T 18737
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)
English versions: GB/T 36732-2024
GB/T 45344-2025 Chinese PDF (GB /T45344-2025) GB/T 45059-2024 GB/T 20244-2025_Chinese: Fiber optic elementsGB T 45344 2025_Chinese: General technical requirements for fabricated and prefabricated gas piping used in buildings (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45344 2025
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