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European digital cellular telecommunications system (Phase 2); General on supplementary services (GSM 02.04)
STANDARD published on 6.4.1995
Designation standards: ETSI ETS 300503-ed.1/Amd.1
Publication date standards: 6.4.1995
SKU: NS-312942
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2024-09-03 (Number of items: 2 346 077)
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