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B.V. "Eminent" Fabriek van Electronische Orgels
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Bodegraven, NL
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Patent Grant
Electronic musical instrument with automatic bass accompaniment
Patent number
4,018,122
Issue date
Apr 19, 1977
B.V. "Eminent" Fabriek van Electronische Orgels
Tijmen VAN DER Kooij
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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