Electronic baby grand piano

Musical instruments – Keyboard type – Piano or cabinet therefor

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Patent

active

D03102327

REFERENCES:
patent: D56294 (1920-09-01), McConnell
patent: D225374 (1972-12-01), Barket et al.
patent: D256130 (1980-07-01), Ohta
patent: D260528 (1981-09-01), Decker
patent: 1642356 (1927-09-01), Brey
Lyon & Healy Pianos, 1924, p. 17.
The Music Trades, Oct. 1985, p. 82.

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