52 / | HD | STATIC STRUCTURES (E.G., BUILDINGS) |
633 | DF | OPENWORK; E.G., TRUSS, TRELLIS, GRILLE, SCREEN, FRAME, OR REBAR CHAIR {12} |
660 | .~ Fabric or lattice; e.g., indeterminate grating {7} | |
661 | DF | .~.~> Perforated with attached filaments |
662 | DF | .~.~> Plural facially contacting layers |
663 | DF | .~.~> Discrete component; wholly internal; e.g., architectural grille |
664 | DF | .~.~> Intersecting strips or strands {3} |
670 | DF | .~.~> Expanded metal {1} |
673 | DF | .~.~> Perforated {2} |
676 | DF | .~.~> Mesh type with attached discrete bodies |