| 349 / | HD | LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS |
| 56 | DF | PARTICULAR STRUCTURE {7} |
| 84 | DF | .~ Having significant detail of cell structure only {17} |
| 96 | DF | .~.~ Polarizer {5} |
| 103 | ![]() | .~.~.~ With particular non-zero and non-90 angle between opposite polarization axes |