ISO/FDIS 1179-3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 3: Light-duty (L series) stud ends with sealing by O-ring with retaining ring (types G and H)
出版：International Organization for Standardization
專家解讀視頻
