GB/T 24692-2023 Chinese PDF (GB/T24692-2023) GB/T 15370.3-2025 GB/T 45333-2025_Chinese: Diamond-like carbon films

GB/T 45333-2025_Chinese: Diamond-like carbon films - Determination of friction and wear characteristics of diamond-like carbon films by ball-on-disc method (Chinese: 类金刚石薄膜 球盘法测试类金刚石薄膜的摩擦磨损性能)

7-2024_Chinese: Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks - Part 7: Lining with spirally-wound pipes (Chinese: 地下无压排水管网非开挖修复用塑料管道系统 第7部分：螺旋缠绕内衬法)

English versions: GB/T 18003-2024

GB/T 19510

English versions: GB/T 45445-2025

GB/T 24692-2023 Chinese PDF (GB/T24692-2023) GB/T 15370.3-2025 GB/T 45333-2025_Chinese: Diamond-like carbon filmsGB T 24692 2023_Chinese: Surface active agents Detergents for domestic machine dishwashing Guide for comparative testing of performance (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24692 2023