Quality Standard for Steel Castings and Forgings for Valves, Flanges, Fittings, and Other Piping Components - Liquid Penetrant Examination Method
出版:Manufacturers Standardisation Society
专家解读视频
Quality Standard for Steel Castings and Forgings for Valves, Flanges, Fittings, and Other Piping Components - Liquid Penetrant Examination Method
出版:Manufacturers Standardisation Society
专家解读视频