| 3421 | Crystal Filters | Company Product |
| 3422 | Crystal Giftwares | Company Product |
| 3423 | Crystal Impedance Meters | Company Product |
| 3424 | Crystal Level | Company Product |
| 3425 | Crystal Oscillators | Company Product |
| 3426 | Crystal Retailers | Company Product |
| 3427 | Crystallizer Tanks | Company Product |
| 3428 | Crystallizers | Company Product |
| 3429 | Crystalwares | Company Product |
| 3430 | Csl | Company Product |
| 3431 | Ct | Company Product |
| 3432 | Ct With Built-In Transducers | Company Product |
| 3433 | Ct Woods | Company Product |
| 3434 | Ctr Suspension Parts | Company Product |
| 3435 | Cube Moulds | Company Product |
| 3436 | Cubic Boron Nitride Tools | Company Product |
| 3437 | Cultery | Company Product |
| 3438 | Cultural Organisations | Company Product |
| 3439 | Culture Stone | Company Product |
| 3440 | Cultured Milk Drinks Manufacturers | Company Product |
| 3441 | Cummins | Company Product |
| 3442 | Cup & Line Ball Bearings | Company Product |
| 3443 | Cup Brushes | Company Product |
| 3444 | Cup Twist Wire Brush With Nut | Company Product |
| 3445 | Cup, Pump Packings | Company Product |
| 3446 | Cupronickel Tube Bending | Company Product |
| 3447 | Cups | Company Product |
| 3448 | Curcuit Breakers | Company Product |
| 3449 | Curing Agent | Company Product |
| 3450 | Curl Defining Cream | Company Product |