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B25D17/00—Details of, or accessories for, portable power-driven percussive tools
B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
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FR729138D1931-12-311931-12-31Dispositif d'étanchéité et de retenue du décaleur ou manchon porteoutil sur les marteaux pneumatiques
ExpiredFR729138A
(fr)