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| CPC | COOPERATIVE PATENT CLASSIFICATION |
| | RACING; RIDING SPORTS; EQUIPMENT OR ACCESSORIES THEREFOR (stop watches G04F 7/06; timing G07C 1/22; indicating arrangements for variable information by selection or combination of individual elements G09F 9/00) |
| | Race-courses; Race-tracks |
| A63K 1/02 | . | for greyhounds or other dogs |
| | Equipment or accessories for racing or riding sports { (training equipment for animals A01K 15/02)} |
| A63K 3/026 | . . | { Starting stalls or starting boxes, e.g. for racing horses, greyhounds} |
| A63K 99/00 | Subject matter not provided for in other groups of this subclass |