| 220 / | HD | RECEPTACLES |
| 660 | DF | SIDEWALL STRUCTURE {7} |
| 677 | DF | .~ Sidewall seam or joint {4} |
| 682 | DF | .~.~ Interlocked joint {4} |
| 683 | DF | .~.~.~ Separate strip-like element {4} |
| 686 | ![]() | .~.~.~.~ Exterior circumferential clamping band {1} |
| 687 | DF | .~.~.~.~.~> With interior circumferential backup band |