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Class Information
Number: 84/DIG.15
Name: Music > Accordions

Patents under this class:

Patent Number Title Of Patent Date Issued
4383463 Musical bellows instrument provided with an electro-pneumatic control device operated by the bellows movement May. 17, 1983
4196650 Combined electronic-pneumatic musical instrument Apr. 8, 1980
4043242 Circuit for musical instrument Aug. 23, 1977

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