439 / | HD | ELECTRICAL CONNECTORS |
296 | DF | WITH COUPLING MOVEMENT-ACTUATING MEANS OR RETAINING MEANS IN ADDITION TO CONTACT OF COUPLING PART {15} |
345 | DF | .~ Retaining means {14} |
359 | DF | .~.~ Retaining means comprising helically threaded member {3} |
360 | .~.~.~ For lamp or electron tube |