标准号:NFT35-501-1-2001
英文标准名称:Preparationofsteelsubstatesbeforeapplicationofpaintsandrelatedproducts-Visualassessmentofsurfacecleanliness-Part1:rustgradesandpreparationgradesofuncoatedsteelsubstratesandofsteelsubstratesafteroverallremovalofprevio
国际标准分类号:25.220.10