GB 16281-2024 Chinese PDF GB/T 44960-2024 GB/T 20604-2025_Chinese: Natural gas -

GB/T 20604-2025_Chinese: Natural gas - Vocabulary (Chinese: 天然气 词汇)

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)

GB/T 45056-2024_Chinese: Recycling materials for lithium (Chinese: 再生锂原料)

English versions: GB/T 45342-2025

English versions: YY/T 1946-2024

GB 16281-2024 Chinese PDF GB/T 44960-2024 GB/T 20604-2025_Chinese: Natural gas -GB 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