Pren 3565-5 - Aerospace Series - Pipe Couplings 37 Deg, Spherical, In Heat Resisting Steel - Geometrical Configuration - Female Sealing Ends - Inch Series
出版:British Standards Institution
专家解读视频
Pren 3565-5 - Aerospace Series - Pipe Couplings 37 Deg, Spherical, In Heat Resisting Steel - Geometrical Configuration - Female Sealing Ends - Inch Series
出版:British Standards Institution
专家解读视频