| 451 | Manually Actuated Minivalves | Company Product |
| 452 | Manually Actuated Poppet Valves | Company Product |
| 453 | Manually Actuated Spool Valves | Company Product |
| 454 | Manually Operated | Company Product |
| 455 | Manufacturing Date Printer | Company Product |
| 456 | Manufacturing Software | Company Product |
| 457 | Mapecure Sp | Company Product |
| 458 | Mapefer | Company Product |
| 459 | Mapefer 1k | Company Product |
| 460 | Mapefill Gp | Company Product |
| 461 | Mapefill Sp | Company Product |
| 462 | Mapeflex | Company Product |
| 463 | Mapeflex Pu 21 | Company Product |
| 464 | Mapelastic | Company Product |
| 465 | Mapelastic Aquadefense | Company Product |
| 466 | Mapelastic High Flex | Company Product |
| 467 | Mapelastic Smart | Company Product |
| 468 | Mapelastic Turbo | Company Product |
| 469 | Mapenet 150 | Company Product |
| 470 | Mapeprim Sp | Company Product |
| 471 | Mapetop Sp | Company Product |
| 472 | Mapp Torch With Lighter | Company Product |
| 473 | Mapping | Company Product |
| 474 | Marble & Stone Cleaning Supplies | Company Product |
| 475 | Marble Adhesives | Company Product |
| 476 | Marble Brackets | Company Product |
| 477 | Marble Contractors | Company Product |
| 478 | Marble Cutters | Company Product |
| 479 | Marble Cutting | Company Product |
| 480 | Marble Cutting Machineries | Company Product |