GB /T 19674.2 - 2005 液壓管接頭用螺紋柱端 - 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 液壓管接頭用螺紋柱端 - E型柱端 Connections for General use and Fluid Power - Ports and Stud Ends with Thread - Stud Ends with Elastomeric Sealing - Type E