OCR'd Text:
DEAFNESS HE 9144 § Guide to requirements for text communication equipment for use by hearing-impaired people and others. London: OFTEL, 1987. 2nd copy at TK 6421 @ OFFICE OF TELECOMMUNICATIONS
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DEAFNESS HE 9144 § Guide to requirements for text communication equipment for use by hearing-impaired people and others. London: OFTEL, 1987. 2nd copy at TK 6421 @ OFFICE OF TELECOMMUNICATIONS
Return To Search