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  Label Dataset Type Subdivision Identifier
1. Standard pitch Groove Width/Pitch/Cutting
Authority stanpitch
2. Lateral or combined cutting Groove Width/Pitch/Cutting
Authority lateral
3. Microgroove Groove Width/Pitch/Cutting
Authority micro
4. Coarse groove Groove Width/Pitch/Cutting
Authority coarse
5. Fine pitch Groove Width/Pitch/Cutting
Authority finepitch
6. Vertical cutting Groove Width/Pitch/Cutting
Authority vertical


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