439 / | HD | ELECTRICAL CONNECTORS |
296 | DF | WITH COUPLING MOVEMENT-ACTUATING MEANS OR RETAINING MEANS IN ADDITION TO CONTACT OF COUPLING PART {15} |
312 | DF | .~ Coupling part with relatively pivotable concentric movement-actuating or retaining ring {3} |
313 | .~.~ Coupling part having appurtenant means for supporting other structure |