GB/Z 37551.4-2025 Chinese PDF (GB /Z37551.4-2025) GB/T 45079-2024 GB/T 21666-2025_Chinese: Absorbent incontinence aids

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)

GB/T 31379

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 45678-2025

GB/Z 37551.4-2025 Chinese PDF (GB /Z37551.4-2025) GB/T 45079-2024 GB/T 21666-2025_Chinese: Absorbent incontinence aidsGBZ37551. 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