GB/T 7247.5-2024 Chinese PDF (GB/T7247.5-2024) GB/T 18721.5-2024 GB/T 45311-2025_Chinese: Tidal energy converter

GB/T 45311-2025_Chinese: Tidal energy converter - Sea trial technical requirements (Chinese: 潮流能转换装置 海上试验技术要求)

5-2023_Chinese: Specifications for the provision of personal protective equipment - Part 5: Building materials industry (Chinese: 个体防护装备配备规范 第5部分：建材)

man-made fibres and blends (Chinese: 棉及化纤纯纺、混纺印染布检验、标志与包装)

English versions: GB/T 32374-2015

2-2023_Chinese: Test methods for welding consumables - Part 2: Preparation of butt weld single-run and two-run technique test pieces and specimens for mechanical properties in steel (Chinese: 焊接材料的检验 第2部分：钢的单面单道焊和双面单道焊焊接接头力学性能试样的制备)

GB/T 7247.5-2024 Chinese PDF (GB/T7247.5-2024) GB/T 18721.5-2024 GB/T 45311-2025_Chinese: Tidal energy converterGB T 7247. 5 2024_Chinese: Safety of laser products Part 5: Manufacturer's checklist for GB T 7247. 1 (Chinese: 5GB T 7247. 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7247. 5 2024