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    International Telecommunication Conferences, Atlantic City, New Jersey, May-October 1947. Report of the U. S. delegations to the International Radio Conference, the International T...

    出版 1948
    圖書

    International Telecommunication Conferences, Atlantic City, New Jersey, May-October 1947. Report of the U. S. delegations to the International Radio Conference, the International Telecommunication Conference and the International Conference on High Frequency Broadcasting with selected documents.

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