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Title: New presentation template - PowerPoint PPT Presentation
Description: 1876 Alexander Graham Bell patents his invention of the telephone ... 1968 4th Plenary Assembly White Books. 1972 5th Plenary Assembly Green Books ... – PowerPoint PPT presentation
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PPT URL: https://www.itu.int/itudoc/itu-t/workshop/joint/am1_pp7.ppt
