Visual examination and classification of surface quality for steel castings 鋼鑄件表面質量的目視檢查和分類
Magnetic materials - classification of surface insulations of electrical steel , strip and laminations 磁性材料.電工鋼材帶材和疊層板材的表面絕緣分類
Magnetic materials - classification of surface insulations of electrical steel sheet , strip and laminations 磁性材料.電工鋼片帶材和層壓板材表面絕緣的分類
Magnetic materials - classification of surface insulations of electrical steel sheet , strip and laminations ; german version en 10342 : 2005 磁性材料.電工鋼板帶鋼和疊層板材的表面絕緣分類