GB/T 16886.23-2023 Chinese PDF (GB/T16886.23-2023) GB/T 17554.1-2025 GB/T 45504-2025_Chinese: Nanotechnologies - Nanostructured

GB/T 45504-2025_Chinese: Nanotechnologies - Nanostructured porous alumina as catalyst support for vehicle exhaust emission control - Characteristics and measurement methods (Chinese: 纳米技术 汽车尾气排放控制用纳米结构多孔氧化铝催化剂载体 特性和测量方法)

GB/T 44970-2024_Chinese: Grain and oil machinery - Air cushion belt conveyor (Chinese: 粮油机械 气垫带式输送机)

English versions: GB/T 44947-2024

GB/T 15148-2024_Chinese: Technical specifications for power load management system (Chinese: 电力负荷管理系统技术规范)

English versions: GB 21345-2024

GB/T 16886.23-2023 Chinese PDF (GB/T16886.23-2023) GB/T 17554.1-2025 GB/T 45504-2025_Chinese: Nanotechnologies - NanostructuredGB T 16886. 23 2023_Chinese: Biological evaluation of medical devices Part 23: Tests for irritation (Chinese: 23) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 16886. 23 2023