GB/T 11417.9-2012
Ophthalmic optics - Contact lenses - Part 9: Ageing by exposure to UV and visible radiation (in vitro method) 眼科光学 接触镜 第9部分:紫外和可见光辐射老化试验(体外法) |
GB/T 18449.3-2012
Metallic materials - Knoop hardness test - Part 3:Calibration of reference blocks 金属材料 努氏硬度试验 第3部分:标准硬度块的标定 |
GB/T 17394.3-2012
Metallic materials - Leeb hardness test - Part 3: Calibration of reference blocks 金属材料 里氏硬度试验 第3部分:标准硬度块的标定 |
Find out:54176Items | First -Previous-Next -Last | [510] [511] [512] [513] [514] [515] [516] |