
Flanges - Coupling Dimensions For Nominal Pressures 10 Up To 16 - Working Pressures I-10 Up To I-16, Ii-13 Up To Iii-13
出版:Asociacion Espanola de Normalizacion

专家解读视频
Flanges - Coupling Dimensions For Nominal Pressures 10 Up To 16 - Working Pressures I-10 Up To I-16, Ii-13 Up To Iii-13
出版:Asociacion Espanola de Normalizacion
专家解读视频