| 1471 | Microprocessor Development Systems | Company Product |
| 1472 | Microprocessor Indicators | Company Product |
| 1473 | Microprocessor Trace Oxygen Analyzer | Company Product |
| 1474 | Microprocessor-Based Converters | Company Product |
| 1475 | Microprocessors | Company Product |
| 1476 | Microregulator For Batteries | Company Product |
| 1477 | Microregulators | Company Product |
| 1478 | Microscope Accessories | Company Product |
| 1479 | Microscope Slides | Company Product |
| 1480 | Microscopes | Company Product |
| 1481 | Microstep Drivers | Company Product |
| 1482 | Microtomes | Company Product |
| 1483 | Microwave | Company Product |
| 1484 | Microwave Blocked | Company Product |
| 1485 | Microwave Components | Company Product |
| 1486 | Microwave Counters | Company Product |
| 1487 | Microwave Electronic Generators | Company Product |
| 1488 | Microwave Generators | Company Product |
| 1489 | Microwave Instruments | Company Product |
| 1490 | Microwave Leakage Detector | Company Product |
| 1491 | Microwave Level Switch | Company Product |
| 1492 | Microwave Meter | Company Product |
| 1493 | Microwave Solids | Company Product |
| 1494 | Mid Pipe | Company Product |
| 1495 | Mid Range (25hp - 140hp) | Company Product |
| 1496 | Mid Range (25hp To 140hp) | Company Product |
| 1497 | Mid Steel Joints | Company Product |
| 1498 | Mid-Level Temperature Controllers | Company Product |
| 1499 | Mid-Rise Car Lifts | Company Product |
| 1500 | Midi Controllers | Company Product |