
BS ISO 3601-1. Fluid power systems. O-rings. Part 1. Inside diameters, cross-sections, tolerances and designation codes
出版:British Standards Institution

专家解读视频
BS ISO 3601-1. Fluid power systems. O-rings. Part 1. Inside diameters, cross-sections, tolerances and designation codes
出版:British Standards Institution
专家解读视频