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BS ISO 23599 - ASSISTIVE PRODUCTS FOR BLIND AND VISION IMPAIRED PERSONS - TACTILE WALKING SURFACE INDICATORS
Hardcopy , PDF
English
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Requirements
Annex A (normative) - Specifications for the
shape of TWSIs
Annex B (informative) - Luminance contrast
Annex C (informative) - Example of installations
Bibliography
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