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Class Information
Number: 84/448
Name: Music > Instruments > General features > Transposers > Intermediate parts shifted
Description: Parts between the keyboard and sounders are shifted.

Patents under this class:

Patent Number Title Of Patent Date Issued
4821619 Key signature actuator for a musical keyboard Apr. 18, 1989
4640173 Electronic musical instrument Feb. 3, 1987
3986422 Electronic musical instrument Oct. 19, 1976

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