GB/T 27654-2023 Chinese PDF (GB/T27654-2023) GB/T 13539.7-2024 1-2023_Chinese: Express service - Part

1-2023_Chinese: Express service - Part 1: Basic terminology (Chinese: 快递服务 第1部分：基本术语)

1-2024_Chinese: Information technology - Security techniques - Non-repudiation - Part 1: General (Chinese: 信息技术 安全技术 抗抵赖 第1部分：概述)

English versions: GB/T 44965-2024

English versions: GB/T 45520-2025

GB/T 13523-2024_Chinese: Copper red glaze porcelain (Chinese: 铜红釉瓷器)

GB/T 27654-2023 Chinese PDF (GB/T27654-2023) GB/T 13539.7-2024 1-2023_Chinese: Express service - PartGB T 27654 2023_Chinese: Wood preservatives (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27654 2023