Electronic keyboard musical instrument

Musical instruments – Keyboard type

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1701

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D03968766

REFERENCES:
patent: D317774 (1991-06-01), Mizushima
patent: D320033 (1991-09-01), Hoshina
patent: D325597 (1992-04-01), Sakagami
patent: D325924 (1992-05-01), Yu
patent: D345371 (1994-03-01), Ito
patent: D345755 (1994-04-01), Igo et al.
patent: 4653375 (1987-03-01), Honda et al.
Evans Catalog, 1987-1988 p. 311 (Casio Keyboard, Item 1).
Music Trades, Feb. 1990, p. 117 (Kawai Keyboard).
Japanese Design Reg. No. 845,972-1 issued Feb. 14, 1994.
Japanese Design Reg. No. 897,990 issued Feb. 14, 1994.
Japanese Design Reg. No. 898,674 issued Feb. 24, 1994.
Japanese Design Reg. No. 898,673 issued Feb. 24, 1994.
Japanese Design Reg. No. 898,674-1 issued Feb. 24, 1994.
Japanese Design Reg. No. 898,673-1 issued Feb. 24, 1994.
Japanese Design Reg. No. 908,708 issued Jul. 11, 1994.

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