GB/T 24604-2021滚动轴承机床丝杠用推力角接触球轴承及单元标准
英文:Rolling bearings-Angular contact thrust ball bearings and units for machine tool screws GB/T 24604-2021介绍: 国家标准《滚动轴承 ...
英文:Rolling bearings-Angular contact thrust ball bearings and units for machine tool screws GB/T 24604-2021介绍: 国家标准《滚动轴承 ...