GB/T 22453-2025 Chinese PDF (GB /T22453-2025) GB/T 22180-2024 GB 45320-2025_Chinese: Safety and general

GB 45320-2025_Chinese: Safety and general technical specifications for construction waterproof sheets (Chinese: 建筑防水卷材安全和通用技术规范)

GB/T 17670-2025_Chinese: Unified coding for natural stone (Chinese: 天然石材统一编号)

3-2025_Chinese: Surface mounting technology - Part 3: Standard method for the specification of components for through hole reflow(THR) soldering (Chinese: 表面安装技术 第3部分：通孔回流焊用元器件规范的标准方法)

GB/T 32105-2025_Chinese: Dipped polyester cord fabric technical requirements and evaluation methods (Chinese: 聚酯浸胶帘子布技术条件和评价方法)

English versions: GB/T 20965-2025

GB/T 22453-2025 Chinese PDF (GB /T22453-2025) GB/T 22180-2024 GB 45320-2025_Chinese: Safety and generalGB T 22453 2025_Chinese: Non linear optical crystal devices measuring method for laser (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22453 2025