GB/T 13631-2023 Chinese PDF (GB/T13631-2023) GB/T 45619-2025 GB/T 1148-2024_Chinese: Internal combustion engines

GB/T 1148-2024_Chinese: Internal combustion engines - Aluminum pistons (Chinese: 内燃机 铝活塞)

selection and erection (Chinese: 爆炸性环境 第15部分：电气装置设计、选型、安装规范)

GB/T 45472-2025_Chinese: Prefabricated insulation pipes for overhead and utility tunnel (Chinese: 架空和综合管廊用预制保温管道)

GB/T 44872-2024_Chinese: General technical requirements for appearance of textile products after cleansing (Chinese: 纺织产品洗后外观通用技术要求)

1-2024_Chinese: Financial information technology - Data interface of accounting software - Part 1: Enterprise (Chinese: 财经信息技术 会计核算软件数据接口 第1部分：企业)

GB/T 13631-2023 Chinese PDF (GB/T13631-2023) GB/T 45619-2025 GB/T 1148-2024_Chinese: Internal combustion enginesGB T 13631 2023_Chinese: Criteria for the design of the supplementary control room of nuclear power plant (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13631 2023