GB/T 25988-2010
Road vehicles - Towing vehicle coupling device to tow caravans or light trailers - Mechanical strength test 道路车辆 牵引旅居挂车或轻型挂车的牵引连接装置 机械强度试验 |
GB/T 25898-2010
InstruMented nanoindentation test - Indentation hardness and modulus of thin film 仪器化纳米压入试验方法 薄膜的压入硬度和弹性模量 |
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