| 541 | Electro-erosion Machines | Company Product |
| 542 | Electrochemical Equipment | Company Product |
| 543 | Electrochemical Metallizing | Company Product |
| 544 | Electrochemical Oxygen Sensors | Company Product |
| 545 | Electrode | Company Product |
| 546 | Electrode Body | Company Product |
| 547 | Electrode Cover | Company Product |
| 548 | Electrode Holder | Company Product |
| 549 | Electrode Level Switch | Company Product |
| 550 | Electrode Ovens | Company Product |
| 551 | Electrode Rod ( Kobelco & Other ) | Company Product |
| 552 | Electrode Sensor | Company Product |
| 553 | Electrode Stainless Steel Rod | Company Product |
| 554 | Electrode Swing Arm | Company Product |
| 555 | Electrode Welding Machines | Company Product |
| 556 | Electrodes | Company Product |
| 557 | Electrodes Stainless Steel Rod | Company Product |
| 558 | Electrogas | Company Product |
| 559 | Electrogas Welder | Company Product |
| 560 | Electroless Nickel Electroplating | Company Product |
| 561 | Electrolytic Capacitors | Company Product |
| 562 | Electrolytic Marking Systems | Company Product |
| 563 | Electromagnetic Brake Motors | Company Product |
| 564 | Electromagnetic Brakes | Company Product |
| 565 | Electromagnetic Clutch | Company Product |
| 566 | Electromagnetic Counters | Company Product |
| 567 | Electromagnetic Flow Converter | Company Product |
| 568 | Electromagnetic Flow Meter | Company Product |
| 569 | Electromagnetic Flowmeters | Company Product |
| 570 | Electromagnetic Horns | Company Product |