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BS ISO 23599:2019

Действующий

Assistive products for blind and vision-impaired persons. Tactile walking surface indicators.

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50 €

ISO 23599:2012

Отменён

Assistive products for blind and vision-impaired persons — Tactile walking surface indicators

37 · PDF

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ISO 23599:2019

Действующий

Assistive products for blind and vision-impaired persons — Tactile walking surface indicators

Overview ISO 23599:2019 - Assistive products for blind and vision‑impaired persons - Tactile walking surface indicators (TWSIs) defines product specifications and installation recommendations for tac…

41 · PDF

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