NEN-ISO 23599:2019 en
Current
Current
The latest, up-to-date edition.
Assistive products for blind and vision-impaired persons - Tactile walking surface indicators
Available format(s)
Hardcopy
Language(s)
English
Published date
31-01-2019
Publisher
NEN-ISO 23599 provides product specifications for tactile walking surface indicators (TWSIs) and recommendations for their installation in order to assist in the safe and independent mobility of blind or vision-impaired persons.
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