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Class Information
Number: 451/225
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Reciprocating work holder > Rectilinear > Harvester knife
Description: Abrading machine especially adapted for sharpening the cutting edge of a member intended to be used in gathering agricultural produce.

Patents under this class:

Patent Number Title Of Patent Date Issued
7540798 Eyeglass lens processing apparatus Jun. 2, 2009
5618226 Apparatus for grinding a reciprocal trimming blade Apr. 8, 1997

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