Variable keyboard for computer terminal, or the like

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment

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D1402

Patent

active

D02608839

REFERENCES:
patent: 3226712 (1965-12-01), Lens et al.
IBM Technical Disclosure Bulletin, vol. 13, No. 7, 12-70, p. 204, Keyboard with Changeable Coding & Key Designation.
IBM Technical Disclosure Bulletin, vol. 16, No. 2, 7-73, p. 575, Variable Keyboard for Terminal Displays.

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