GB/T 15971-2023 Chinese PDF (GB/T15971-2023) GB/T 17529.5-2023 2-2024_Chinese: Devices and integration in

2-2024_Chinese: Devices and integration in enterprise systems - Function blocks(FB) for process control and electronic device description language(EDDL) - Part 2: Specification of FB concept (Chinese: 企业系统中的设备和集成 过程控制用功能块（FB）和电子设备描述语言（EDDL） 第2部分：FB概念规范)

English versions: GB 15607-2023

English versions: GB/T 16311-2024

English versions: GB/T 18101-2024

4-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 4: Class 3 components (Chinese: 压水堆核电厂核岛机械设备设计规范 第4部分：3级设备)

GB/T 15971-2023 Chinese PDF (GB/T15971-2023) GB/T 17529.5-2023 2-2024_Chinese: Devices and integration inGB T 15971 2023_Chinese: Specification for tour guide service (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15971 2023