GB/T 39082-2020电阻点焊、凸焊及缝焊接头的维氏硬度试验方法标准
英文:Test method of vickers hardness testing for resistance spot,projection and seam welds GB/T 39082-2020介绍: 国家标准《电阻点焊、凸焊...
英文:Test method of vickers hardness testing for resistance spot,projection and seam welds GB/T 39082-2020介绍: 国家标准《电阻点焊、凸焊...