52 / | HD | STATIC STRUCTURES (E.G., BUILDINGS) |
782.1 | DF | COMPOSITE PREFABRICATED PANEL INCLUDING ADJUNCTIVE MEANS {7} |
799.1 | DF | .~ Perforate panel having separate attached, elongated edging or stiffener {1} |
799.11 | .~.~ Elongated, laterally spaced strips or strands {1} | |
799.12 | DF | .~.~.~> Intersecting strips or strands {2} |