DIFF Subgroup
B23F 1/086 Full Title
Making gear teeth by tools of which the profile matches the profile of the required surface (special adaptations for making curved teeth B23F9/00) > by broaching; by broach-milling
B23F 1/086 Making gear teeth by tools of which the profile matches the profile of the required surface (special adaptations for making curved teeth B23F9/00) > by broaching; by broach-milling