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PCE
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CPC Subgroup
B26B 21/20

involving blades with more than two cutting edges; involving disc blades (B26B21/22 - B26B21/38 take precedence)

Full Title

Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor > involving changeable blades > Safety razors with one or more blades arranged transversely to the handle > involving blades with more than two cutting edges; involving disc blades (B26B21/22 - B26B21/38 take precedence)