|
| 251 18 | CARDS, TABULATING, SPECIAL, AUTOMATIC AND MANUAL DATA PROCESSING SYSTEMS, ENVIRONMENTALLY CERTIFIED PRODUCTS |
| 251 30 | CARDS, TABULATING, STANDARD, EDP SYSTEMS, ENVIRONMENTALLY CERTIFIED PRODUCTS |
| 251 55 | PAPER, TABULATING STOCK, ENVIRONMENTALLY CERTIFIED PRODUCTS |
| 251 67 | RECYCLED DATA PROCESSING CARDS AND PAPER, ENVIRONMENTALLY CERTIFIED PRODUCTS |
| 251 70 | ROLL PAPER, BOND, EDP PORTABLE TERMINALS, ENVIRONMENTALLY CERTIFIED PRODUCTS |
| 251 72 | ROLL PAPER, THERMAL, EDP PORTABLE TERMINALS, ENVIRONMENTALLY CERTIFIED PRODUCTS |
| 251 80 | TESTS, ANSWER SHEETS, SCORING KEYS, ETC., EDP SYSTEMS, ENVIRONMENTALLY CERTIFIED PRODUCTS |