| 439 / | HD | ELECTRICAL CONNECTORS |
| 625 | DF | WITH INSULATION OTHER THAN CONDUCTOR SHEATH {10} |
| 626 | DF | .~ Plural-contact coupling part {7} |
| 660 | DF | .~.~ Plural-contact coupling part comprises receptacle or plug {12} |
| 699.1 | DF | .~.~.~ Having only two duplicate contacts arranged bilaterally symmetric about longitudinal axis of engagement {1} |
| 699.2 | ![]() | .~.~.~.~ Lamp-receiving socket |