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1Berne : Le Bureau,v. ; 28 cm.Subjects: “...Telecommunication Periodicals....”
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2Published 1953### CRL customization ### ?> ### Add publisher and desc details ### ?>Genève : Secrétariat général de l'Union internationale des télécommunications (UIT), 1953-1960.28 v. ; 30 cm.Subjects: “...Telecommunication Periodicals....”