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Class Information
Number: 451/233
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Stationary work holder > Spaced portions
Description: Abrading machine for grinding at least two distinct remote locations on a workpiece.

Patents under this class:

Patent Number Title Of Patent Date Issued
8550883 Abrasion apparatus Oct. 8, 2013
7473163 Cutter grinding device Jan. 6, 2009
7431637 Saw-setting machine for saw chain Oct. 7, 2008
7172498 Drill sharpener Feb. 6, 2007
6685536 Method for grinding convex running faces and outside diameters on shaft-like workpieces in one set-up and grinding machine for carrying out the method Feb. 3, 2004
6520842 Method of forming tooth grooves Feb. 18, 2003
5329731 Mulcher blade grinder and method thereof Jul. 19, 1994
4521143 Crankshaft milling apparatus Jun. 4, 1985

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