GB/T 1964-2023 Chinese PDF (GB/T1964-2023) GB/T 45652-2025 3-cyclobutanediol (Chinese: 食品安全国家标准 食品接触材料及制品 2

3-cyclobutanediol (Chinese: 食品安全国家标准 食品接触材料及制品 2

GB 45187-2024_Chinese: Fall protection - Climb auto system against fall (Chinese: 坠落防护 动力升降防坠落装置)

2-2023_Chinese: Express service - Part 2: Organization requirements (Chinese: 快递服务 第2部分：组织要求)

English versions: GB/T 19502-2023

GB/T 45382-2025_Chinese: Tools for moulding - Guide pillars

GB/T 1964-2023 Chinese PDF (GB/T1964-2023) GB/T 45652-2025 3-cyclobutanediol (Chinese: 食品安全国家标准 食品接触材料及制品 2GB T 1964 2023_Chinese: Porous ceramics Test method for compressive strength at room temperature (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 1964 2023