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China GB Standards List

 GB/T 4652-2021  
Loader for underground mining—Testing method

地下矿用装岩机和装载机 试验方法
 GB/T 33521.1-2017  
Mechannical vibration—ground-borne noise and vibration arising from rail systems—Part1:General guidance

机械振动 轨道系统产生的地面诱导结构噪声和地传振动 第1部分:总则

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