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Here is the database record:
Patent Number 4619175
Issue Year 86
Assignee Code 91775
State / Country JPX
Classification 84/644 84/377 84/718 84/743 84/DIG7 84/DIG14 984/319
984/344 984/DIG1
Title INPUT DEVICE FOR AN ELECTRONIC MUSICAL INSTRUMENT
The words harmonica and synthesizer do not appear anywhere in this record. A keyword search for any of those words will fail to retrieve this record.
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Last modified: Thursday September 23 2004