| 451 | Desktop Publishing Computer Software | Company Product |
| 452 | Desktop Publishing Software | Company Product |
| 453 | Desktop Publishing Systems | Company Product |
| 454 | Desktop Spirometer | Company Product |
| 455 | Desludging | Company Product |
| 456 | Desoldering Stations | Company Product |
| 457 | Dessicant | Company Product |
| 458 | Dessicant Dryers | Company Product |
| 459 | Desuperheaters | Company Product |
| 460 | Detecting Devices | Company Product |
| 461 | Detection Drumstick | Company Product |
| 462 | Detection Switch | Company Product |
| 463 | Detections | Company Product |
| 464 | Detective Agencies | Company Product |
| 465 | Detector | Company Product |
| 466 | Detector Tubes | Company Product |
| 467 | Detectors | Company Product |
| 468 | Detent | Company Product |
| 469 | Detergent Chemicals | Company Product |
| 470 | Detergent Optical Brighteners | Company Product |
| 471 | Detergents | Company Product |
| 472 | Detox | Company Product |
| 473 | Detroit Diesel 12V71 Diesel Engine | Company Product |
| 474 | Detroit Diesel 16v92ta Diesel Engine | Company Product |
| 475 | Detroit Diesel 3-53 Diesel Engine | Company Product |
| 476 | Detroit Diesel 3-71 Diesel Engine | Company Product |
| 477 | Detroit Diesel 4-53 Diesel Engine | Company Product |
| 478 | Detroit Diesel 4-71 Diesel Engine | Company Product |
| 479 | Detroit Diesel 6-71 Diesel Engine | Company Product |
| 480 | Detroit Diesel 8v71 Diesel Engine | Company Product |