52 / | HD | STATIC STRUCTURES (E.G., BUILDINGS) |
782.1 | DF | COMPOSITE PREFABRICATED PANEL INCLUDING ADJUNCTIVE MEANS {7} |
783.1 | DF | .~ Sandwich or hollow with sheet-like facing members {13} |
787.1 | DF | .~.~ Having internal receiver for elongated lateral fastener {2} |
787.12 | .~.~.~ For vehicle |