Royal Decree 1517/2018, of December 28, which modifies the Regulation on the conditions for the provision of electronic communications services, universal service and user protection, approved by Royal Decree 424/2005, of April 15
Royal Decree 424/2005, of April 15, which approves the Regulation on the conditions for the provision of electronic communications services, universal service and user protection
UNE-EN ISO 24504:2016 (Ratified) Ergonomics. Accessible design. Sound pressure levels of vocal advertisements for sound products and systems (English)
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