206 / | HD | SPECIAL RECEPTACLE OR PACKAGE |
307 | DF | FOR HOLDING A MACHINE READABLE RECORDING MEDIUM (E.G., COMPACT DISC, PHONOGRAPH RECORD, TAPE, FLOPPY DISK) {7} |
387.1 | DF | .~ For holding a tape cassette {5} |
387.14 | .~.~ For plural different sized cassettes or boxed and unboxed cassettes |