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Human Factors (HF); User instructions for public telecommunications services; Design guidelines
STANDARD published on 15.1.1995
Designation standards: ETSI ETR 167-ed.1
Publication date standards: 15.1.1995
SKU: NS-311723
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2026-07-28 (Number of items: 2 290 396)
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