CPC Subgroup
A61C 1/188 Full Title
Dental machines for boring or cutting > Machine parts specially adapted for dentistry > Flexible shafts; Clutches or the like; (flexible shafts in general F16C; clutches in general F16D)
A61C 1/188 Dental machines for boring or cutting > Machine parts specially adapted for dentistry > Flexible shafts; Clutches or the like; (flexible shafts in general F16C; clutches in general F16D)