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Entertainment & Recreation
Class Information
Number:
84/161
Name:
Music
>
Instruments
>
Automatic
>
Selectors
> Note sheets
Description:
Improvements in the sheet, its material, construction, perforations, or attachments.
Sub-classes under this class:
Class Number
Class Name
Patents
84/162
Ends and joints
0
84/163
Overlapping holes
0
84/164
With expression and tempo marks
0
84/165
With marks for voice
0
84/166
With projections
0
Patents under this class:
Patent Number
Title Of Patent
Date Issued
5698801
Musical display device
Dec. 16, 1997
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