GB/T 45311-2025 Chinese PDF (GB /T45311-2025) GB/T 44024-2025 GB/T 45345-2025_Chinese: Metallic and other

GB/T 45345-2025_Chinese: Metallic and other inorganic coatings - DC magnetron sputtered silver coatings for engineering purposes - Measurement of coating adhesion (Chinese: 金属及其他无机覆盖层 工程用直流磁控溅射银镀层 镀层附着力的测量)

English versions: GB/T 45281-2025

English versions: GB/T 44998-2024

3-2025_Chinese: Railway applications - Compatibility between rolling stock and train detection systems - Part 3: Compatibility with axle counters (Chinese: 轨道交通 机车车辆和列车检测系统的兼容性 第3部分：与计轴器的兼容性)

21-2025_Chinese: Test method for noise of household and similar electrical appliances - Part 21: Particular requirements for oral hygiene appliances (Chinese: 家用和类似用途电器噪声测试方法 第21部分：口腔卫生器具的特殊要求)

GB/T 45311-2025 Chinese PDF (GB /T45311-2025) GB/T 44024-2025 GB/T 45345-2025_Chinese: Metallic and otherGB T 45311 2025_Chinese: Tidal energy converter Sea trial technical requirements (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45311 2025