GB/T 17554.1-2025 Chinese PDF (GB /T17554.1-2025) GB/T 18281.5-2024 GB/T 13000-2025_Chinese: Information technology -

GB/T 13000-2025_Chinese: Information technology - Universal coded character set(UCS) (Chinese: 信息技术 通用编码字符集（UCS）)

GB/T 15972

English versions: GB/T 22252-2024

7-2024_Chinese: Power transformers - Part 7: Loading guide for mineral-oil-immersed power transformers (Chinese: 电力变压器 第7部分：油浸式电力变压器负载导则)

1-2025_Chinese: Uncut finished spectacle lenses - Part 1: Single-vision and multifocal (Chinese: 眼镜镜片 第1部分：单焦和多焦)

GB/T 17554.1-2025 Chinese PDF (GB /T17554.1-2025) GB/T 18281.5-2024 GB/T 13000-2025_Chinese: Information technology -GB T 17554. 1 2025_Chinese: Cards and security devices for personal identification Test methods Part 1: General characteristics (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17554. 1 2025