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BR International Frequency Information Circular (BR IFIC) - Terrestrial Services (2015)
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General Trends in Telecommunication Refo
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BR IFIC 2962 Space - ISO Copy of DVD
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BR International Frequency Information C
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Application of Computers and Microproces
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Operational Bulletin No. 740 (15.V.2001)
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Visions of the Information Society (2003
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Radio Regulations (Edition of 2004)
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Accès Universel: Stratégies proposées par quatre pays en développement (2002)