The Library of Congress > Linked Data Service

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  Label Dataset Type Subdivision Identifier
1. Standard pitch

Groove Width/Pitch/Cutting
Authority stanpitch
2. Microgroove

Groove Width/Pitch/Cutting
Authority micro
3. Coarse groove

Groove Width/Pitch/Cutting
Authority coarse
4. Fine pitch

Groove Width/Pitch/Cutting
Authority finepitch
5. Vertical cutting

Groove Width/Pitch/Cutting
Authority vertical


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