US3336700A
US3336700A US423704A US42370465A US3336700A US 3336700 A US3336700 A US 3336700A US 423704 A US423704 A US 423704A US 42370465 A US42370465 A US 42370465A US 3336700 A US3336700 A US 3336700A Authority US United States Prior art keywords belt carriage means skiving abrasive Prior art date 1965-01-06 Legal status (The legal status is an assumption and is not a legal …