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} |
786.1 | DF | .~.~ Parallel, transparent panes (e.g., double glass window panel, etc.) {2} |
786.11 | .~.~.~ Intermediate non-glass sheet-like component {1} | |
786.12 | DF | .~.~.~.~> For vehicle |