| 271 | Calendar Design | Company Product |
| 272 | Calendar Printing | Company Product |
| 273 | Calendar Printing Services | Company Product |
| 274 | Calendars | Company Product |
| 275 | Calibrated Steel Balls | Company Product |
| 276 | Calibrated Steel Rollers | Company Product |
| 277 | Calibration | Company Product |
| 278 | Calibration Gas | Company Product |
| 279 | Calibration Gas Cylinder | Company Product |
| 280 | Calibration Gauge | Company Product |
| 281 | Calibration Service New By Me | Company Product |
| 282 | Calibration Services | Company Product |
| 283 | Calibrator | Company Product |
| 284 | Calibrators | Company Product |
| 285 | Calibrators: Potentiometer | Company Product |
| 286 | Caliper | Company Product |
| 287 | Calipers | Company Product |
| 288 | Calliper Covers | Company Product |
| 289 | Calorifier Unit | Company Product |
| 290 | Calorifiers | Company Product |
| 291 | Calorimeters | Company Product |
| 292 | Cam Follower Roller Bearings | Company Product |
| 293 | Cam Indexer | Company Product |
| 294 | Cam Indexers | Company Product |
| 295 | Cam Indexing Drives | Company Product |
| 296 | Cam Lock | Company Product |
| 297 | Cam Locks | Company Product |
| 298 | Cam Ring | Company Product |
| 299 | Cam Rockers | Company Product |
| 300 | Cam Sensor | Company Product |