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Human Factors (HF); Symbols to identify telecommunications facilities for deaf and hard of hearing people; Development and evaluation
STANDARD published on 26.1.2000
Designation standards: ETSI TR 101767-V1.1.1
Publication date standards: 26.1.2000
SKU: NS-314987
The number of pages: 149
Approximate weight : 478 g (1.05 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2026-10-09 (Number of items: 2 304 581)
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