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Class Information
Number: 451/136
Name: Abrading > Machine > Rotary reciprocating tool > Cylindrical tool > Rectilinear > Reciprocating work holder
Description: Abrading machine having a workpiece gripping means that moves to-and-fro.

Sub-classes under this class:

Class Number Class Name Patents
451/137 Rectilinear 15
451/138 Rocking 10

Patents under this class:

Patent Number Title Of Patent Date Issued
7809463 Numerically controlled machining apparatus Oct. 5, 2010
7273411 Polishing apparatus Sep. 25, 2007
6110009 Grinding machine for grinding frictional surface of pad and method of grinding the pad Aug. 29, 2000
5271185 Apparatus for chamfering notch of wafer Dec. 21, 1993
4924632 Circular grinding machine May. 15, 1990
4850760 Method of finishing gears Jul. 25, 1989

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