ETSI ETS 300 767

Reference: M00000044

Condition: New product

ETSI ETS 300 767 Human Factors (HF); Telephone Prepayment Cards; Tactile Identifier

standard by European Telecommunications Standards Institute, 07/01/1997

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Full Description

To standardize one common tactile identifier to improve the usability of telephone prepayment cards for all users, especially blind and visually impaired people.

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Edition: 1 Published: 07/01/1997 Number of Pages: 11 File Size: 1 file , 36 KB