GB/T 45291-2025 Chinese PDF (GB /T45291-2025) GB/T 45351-2025 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)

GB/T 24498-2025_Chinese: Gaskets for doors

GB/T 45602-2025_Chinese: Ships and marine technology - Adjustable roller-type chain stoppers (Chinese: 船舶与海洋技术 可调式滚轮闸刀掣链器)

English versions: GB/T 44947-2024

GB/T 9008-2024_Chinese: Terms for liquid chromatography (Chinese: 液相色谱法术语)

GB/T 45291-2025 Chinese PDF (GB /T45291-2025) GB/T 45351-2025 GB/T 45333-2025_Chinese: Diamond-like carbon filmsGB T 45291 2025_Chinese: Retreaded tyres for earth movers (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45291 2025