428 / | HD | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
1.1 | DF | LIQUID CRYSTAL OPTICAL DISPLAY HAVING LAYER OF SPECIFIED COMPOSITION {5} |
1.6 | DF | .~ With substrate layer of specified composition {2} |
1.62 | .~.~ Inorganic substrate layer (e.g., ceramic, metallic, glass, etc.) |