| 751 | Resin Cross Belts | Company Product |
| 752 | Resin Systems | Company Product |
| 753 | Resins | Company Product |
| 754 | Resistance Flash Welding Equipment | Company Product |
| 755 | Resistance Meters | Company Product |
| 756 | Resistance Seam Welding Equipment | Company Product |
| 757 | Resistance Spot Welding Equipment | Company Product |
| 758 | Resistance Temperature Detector Probes | Company Product |
| 759 | Resistance Temperature Detectors | Company Product |
| 760 | Resistance Testers | Company Product |
| 761 | Resistance Thermometers | Company Product |
| 762 | Resistance Welding Electrodes | Company Product |
| 763 | Resistance Welding Equipment | Company Product |
| 764 | Resistance Wire | Company Product |
| 765 | Resistant Plastic Steel Corrosion | Company Product |
| 766 | Resistivity Meters | Company Product |
| 767 | Resistor | Company Product |
| 768 | Resistor Networks | Company Product |
| 769 | Resistors | Company Product |
| 770 | Resonator Crystals | Company Product |
| 771 | Resonators | Company Product |
| 772 | Resorcinol | Company Product |
| 773 | Resorts | Company Product |
| 774 | Resource Recovery | Company Product |
| 775 | Respirator | Company Product |
| 776 | Respirators | Company Product |
| 777 | Respirators Protections | Company Product |
| 778 | Respiratory Device | Company Product |
| 779 | Respiratory Protect | Company Product |
| 780 | Respiratory Protection | Company Product |