| 264 / | HD | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| 603 | DF | OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM {30} |
| 614 | DF | .~ Of electrical article or electrical component (i.e., not insulator, per se) {5} |
| 618 | ![]() | .~.~ Ceramic containing electrode, or coil, electrode, or coil having ceramic portion, or shaped electrolyte body |