Headphone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor

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D03284611

REFERENCES:
patent: D255352 (1980-06-01), Besasie
patent: D301145 (1989-05-01), Besasie et al.
Crutchfield Summer 1987 Catalog; copyright 1987; p. 93; Left side-Item C-Sony Model MDR-V6 headphones.
Stereo Review; Jun. 1985; p. 14; Top left-Audio-Techna Model ATH-V7 headphones.

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