UNE EN ISO 1179-2:2009被替代
Connections For General Use And Fluid Power - Ports And Stud Ends With Iso 228-1 Threads With Elastomeric Or Metal-to-metal Sealing - Part 2: Heavy-duty (s Series) And Light-duty (l Series) Stud Ends With Elastomeric Sealing (type E)
出版：Asociacion Espanola de Normalizacion
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