ISO/FDIS 1179-2 (2007)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：International Organization for Standardization
专家解读视频
