GB /T 19674.2 - 2005 液压管接头用螺纹柱端 - A型柱端 Connections for general use and fluid power - Ports and stud ends with thread - Stud ends with elastomeric sealing - Type A
GB /T 19674.2 - 2005 液压管接头用螺纹柱端 - E型柱端 Connections for general use and fluid power - Ports and stud ends with thread - Stud ends with elastomeric sealing - Type E