CPC Subgroup Additional Only
Y10T 428/21 Circular sheet or circular blank
Full Title
Stock material or miscellaneous articles > Circular sheet or circular blank
7 direct subcodes
Child Classifications
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- Y10T 428/211 Gear
- Y10T 428/213 Frictional
- Y10T 428/214 End closure
- Y10T 428/215 Seal, gasket, or packing
- Y10T 428/216 Ornamental, decorative, pattern, or indicia
- Y10T 428/218 Aperture containing
- Y10T 428/219 Edge structure