| 1441 | Microplate Incubator | Company Product |
| 1442 | Microplate Pipette | Company Product |
| 1443 | Microplate Shaker | Company Product |
| 1444 | Microprocessor Controllers | Company Product |
| 1445 | Microprocessor Development Systems | Company Product |
| 1446 | Microprocessor Indicators | Company Product |
| 1447 | Microprocessor Trace Oxygen Analyzer | Company Product |
| 1448 | Microprocessor-Based Converters | Company Product |
| 1449 | Microprocessors | Company Product |
| 1450 | Microregulator For Batteries | Company Product |
| 1451 | Microregulators | Company Product |
| 1452 | Microscope Accessories | Company Product |
| 1453 | Microscope Slides | Company Product |
| 1454 | Microscopes | Company Product |
| 1455 | Microstep Drivers | Company Product |
| 1456 | Microtomes | Company Product |
| 1457 | Microwave | Company Product |
| 1458 | Microwave Blocked | Company Product |
| 1459 | Microwave Components | Company Product |
| 1460 | Microwave Counters | Company Product |
| 1461 | Microwave Electronic Generators | Company Product |
| 1462 | Microwave Generators | Company Product |
| 1463 | Microwave Instruments | Company Product |
| 1464 | Microwave Leakage Detector | Company Product |
| 1465 | Microwave Level Switch | Company Product |
| 1466 | Microwave Meter | Company Product |
| 1467 | Microwave Solids | Company Product |
| 1468 | Mid Pipe | Company Product |
| 1469 | Mid Range (25hp - 140hp) | Company Product |
| 1470 | Mid Range (25hp To 140hp) | Company Product |