UNE EN ISO 1179-3:2009现行
Connections For General Use And Fluid Power - Ports And Stud Ends With Iso 228-1 Threads With Elastomeric Or Metal-To-Metal Sealing - Part 3: Light-Duty (L Series) Stud Ends With Sealing By O-Ring With Retaining Ring (Types G And H)
出版：Asociacion Espanola de Normalizacion
专家解读视频
