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Európsky digitálny bunkový telekomunikačný systém (Fáza 2). Neštruktúrované dáta (USSD) - Doplnková služba - Stupeň 2 (GSM 03.90) (Súčasťou normy je národný predhovor a znenie normy je v pôvodnom jazyku).
Automatically translated name:
European digital cellular telecommunications system (Phase 2). Unstructured data (USSD) - supplementary services - Stage 2 (GSM 03.90) (The standard is the original text of the standard is in the original language).
STANDARD published on 1.12.1997
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Designation standards: STN ETS 300549
Classification mark: 870549
Publication date standards: 1.12.1997
SKU: NS-541552
Approximate weight : 300 g (0.66 lbs)
Country: Slovak technical standard
Category: Technical standards STN
Latest update: 2025-11-28 (Number of items: 2 248 688)
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