| 1801 | Coagulants | Company Product |
| 1802 | Coal Fired Power Plant Agitation | Company Product |
| 1803 | Coal Tar Colours | Company Product |
| 1804 | Coal Tar Products | Company Product |
| 1805 | Coalescent Oil-Proof Microfilters | Company Product |
| 1806 | Coarse Filter | Company Product |
| 1807 | Coaslescing Filters | Company Product |
| 1808 | Coasters Set | Company Product |
| 1809 | Coat Hanger | Company Product |
| 1810 | Coat Hook | Company Product |
| 1811 | Coating | Company Product |
| 1812 | Coating Additive | Company Product |
| 1813 | Coating Consumables | Company Product |
| 1814 | Coating Contractors | Company Product |
| 1815 | Coating Equipment | Company Product |
| 1816 | Coating Machines | Company Product |
| 1817 | Coating Powder | Company Product |
| 1818 | Coating Powder Equipment | Company Product |
| 1819 | Coating Powder Guns | Company Product |
| 1820 | Coating Resins | Company Product |
| 1821 | Coating Services | Company Product |
| 1822 | Coating System | Company Product |
| 1823 | Coating Thickness Gauge | Company Product |
| 1824 | Coating Thickness Measuring Instruments | Company Product |
| 1825 | Coating Thickness Meters | Company Product |
| 1826 | Coating Thickness Testers | Company Product |
| 1827 | Coating Thickness Testing Equipment | Company Product |
| 1828 | Coating Tools | Company Product |
| 1829 | Coatings | Company Product |
| 1830 | Coatings Resins | Company Product |