GB 16281-2024 Chinese PDF GB/T 44960-2024 GB/T 20042

GB/T 20042

1-2024_Chinese: Implants for surgery - Ultra-high-molecular-weight polyethylene - Part 1: Powder form (Chinese: 外科植入物 超高分子量聚乙烯 第1部分：粉料)

GB/T 45016-2024_Chinese: Test methods for mechanical automatic tensioner of accessory belt drive system of engine (Chinese: 发动机附件带传动系统机械式自动张紧轮试验方法)

1-2025_Chinese: Optics and photonics - Test methods for telescopic systems - Part 1: Basic characteristics (Chinese: 光学和光子学 望远镜系统试验方法 第1部分：基本特性)

English versions: GB/T 24894-2025

GB 16281-2024 Chinese PDF GB/T 44960-2024 GB/T 20042GB 16281 2024_Chinese: Fire emergency receiving and dispatching system (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 16281 2024