GB/Z 37551.4-2025 Chinese PDF (GB /Z37551.4-2025) GB/T 45079-2024

GB/Z 37551.4-2025 Chinese PDF (GB /Z37551.4-2025) GB/T 45079-2024GBZ37551. 4 2025_Chinese: Marine energy Wave, tidal and other water current converters Part 4: Specification for establishing qualification of new technology (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GBZ37551. 4 2025

English versions: GB/T 45678-2025

dosing and sealing machine of edible salt (Chinese: 食用盐袋成型充填封口机通用技术要求)

GB/T 45486-2025_Chinese: Ships and marine technology - Ballast water management systems (BWMS) - Computational physical modelling and calculations on scaling of UV reactors (Chinese: 船舶与海上技术 压载水管理系统（BWMS） 紫外反应器的比例缩放数值模拟与计算)

20-2024_Chinese: Ergonomics of human-system interaction - Part 20: An ergonomic approach to accessible design (Chinese: 人-系统交互工效学 第20部分：无障碍设计的工效学方法)

GB/T 12385-2025_Chinese: Standard test methods for sealability of gaskets for pipe flanges (Chinese: 管法兰用垫片密封性能试验方法)

English versions: GB/T 44937

GB/T 10810

2-2024_Chinese: Public information guidance systems - Setting principles and requirements - Part 2: Airport (Chinese: 公共信息导向系统 设置原则与要求 第2部分：民用机场)

English versions: GB/T 30134-2025

English versions: GB/T 45497-2025

GB/T 31379

GB/T 21666-2025_Chinese: Absorbent incontinence aids for urine and/or faeces - General guidelines on evaluation (Chinese: 失禁用尿便吸收辅助器具 评价的一般指南)