| 1441 | Microorganism Products | Company Product |
| 1442 | Microphone Rental | Company Product |
| 1443 | Microphone Stand | Company Product |
| 1444 | Microphone Testing Equipment | Company Product |
| 1445 | Microphones | Company Product |
| 1446 | Micropipette | Company Product |
| 1447 | Microplate Dispenser | Company Product |
| 1448 | Microplate Incubator | Company Product |
| 1449 | Microplate Pipette | Company Product |
| 1450 | Microplate Shaker | Company Product |
| 1451 | Microprocessor Controllers | Company Product |
| 1452 | Microprocessor Development Systems | Company Product |
| 1453 | Microprocessor Indicators | Company Product |
| 1454 | Microprocessor Trace Oxygen Analyzer | Company Product |
| 1455 | Microprocessor-Based Converters | Company Product |
| 1456 | Microprocessors | Company Product |
| 1457 | Microregulator For Batteries | Company Product |
| 1458 | Microregulators | Company Product |
| 1459 | Microscope Accessories | Company Product |
| 1460 | Microscope Slides | Company Product |
| 1461 | Microscopes | Company Product |
| 1462 | Microstep Drivers | Company Product |
| 1463 | Microtomes | Company Product |
| 1464 | Microwave | Company Product |
| 1465 | Microwave Blocked | Company Product |
| 1466 | Microwave Components | Company Product |
| 1467 | Microwave Counters | Company Product |
| 1468 | Microwave Electronic Generators | Company Product |
| 1469 | Microwave Generators | Company Product |
| 1470 | Microwave Instruments | Company Product |