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Class Information
Number: 235/59A
Name: Registers > Calculators > Recording > Key operated > Miscellaneous key operated recording
Description:


Patents under this class:

Patent Number Title Of Patent Date Issued
7427013 Calculator apparatus Sep. 23, 2008
6513707 Hand-carried counting device Feb. 4, 2003
5648625 Musical chord transposer Jul. 15, 1997



 
 
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