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1
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2Опубликовано 1964“...International Telegraph and Telephone Consultative Committee...”
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3Опубликовано 1964“...International Telegraph and Telephone Consultative Committee...”
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4Опубликовано 1964“...International Telegraph and Telephone Consultative Committee. Working Party on National Automatic...”
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5Опубликовано 1981“...International Telegraph and Telephone Consultative Committee. Plenary Assembly...”
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6Опубликовано 1985“...International Telegraph and Telephone Consultative Committee. Plenary Assembly...”