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NA 043

DIN Standards Committee Information Technology and IT Applications

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Technical rule [CURRENT]

ETR 345
Human Factors (HF) - Characteristics of telephone keypads and keyboards - Requirements of elderly and disables people

Edition 1997-01
Original language English
Price On Request
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Table of contents

Contact

Dipl.-Ing.

Michael Teigeler

Merianstr. 28
63069 Offenbach am Main

Tel.: +49 69 6308-260
Fax: +49 69 6308-9332

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