GB/T 21617-2023 Chinese PDF (GB/T21617-2023) GB/T 26863-2022 2-2024_Chinese: Implants for surgery -

2-2024_Chinese: Implants for surgery - Ultra-high-molecular-weight polyethylene - Part 2: Moulded forms (Chinese: 外科植入物 超高分子量聚乙烯 第2部分：模塑料)

1-2025_Chinese: Optics and photonics - Specifications for telescopic sights - Part 1: General-purpose instruments (Chinese: 光学和光子学 瞄准望远镜规范 第 1 部分：普通性能仪器)

GB/T 45232-2025_Chinese: Polypropylene(PP) piping systems for drainage and sewerage inside buildings (Chinese: 建筑排水排污用聚丙烯（PP）管道系统)

English versions: GB/T 20279-2024

English versions: GB/T 30130-2023

GB/T 21617-2023 Chinese PDF (GB/T21617-2023) GB/T 26863-2022 2-2024_Chinese: Implants for surgery -GB T 21617 2023_Chinese: Dangerous goods Test methods for oxidizing solids (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21617 2023