428 / | HD | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
411.1 | DF | COMPOSITE (NONSTRUCTURAL LAMINATE) {25} |
688 | DF | .~ Of inorganic material {1} |
689 | DF | .~.~ Metal-compound-containing layer {7} |
692 | DF | .~.~.~ Defined magnetic layer {2} |
694 R | DF | .~.~.~.~ Dynamic recording medium {5} |
694 B | DF | .~.~.~.~.~ Binder containing magnetic layer {10} |
694 BA | DF | .~.~.~.~.~.~ Magnetic particle with specified shape or dimension {1} |
694 BH | .~.~.~.~.~.~.~ Hexogonal or tabular |