GB/T 16886.23-2023 Chinese PDF (GB/T16886.23-2023) GB/T 17554.1-2025 English versions: GB/T 18912-2024

English versions: GB/T 18912-2024

38-2025_Chinese: National food safety standard - Food microbiological examination - Counting of Escherichia Coli (Chinese: 食品安全国家标准 食品微生物学检验 大肠埃希氏菌计数)

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)

English versions: GB 21345-2024

1-2025_Chinese: Information technology - ASN

GB/T 16886.23-2023 Chinese PDF (GB/T16886.23-2023) GB/T 17554.1-2025 English versions: GB/T 18912-2024GB 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