Broadcasting by means of satellites,
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| 主要作者: | |
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
[Washington]
National Aeronautics and Space Administration; for sale by the National Technical Information Service, Springfield, Va.
[1971]
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| 丛编: | NASA technical translation ;
F-628. |
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3rd Floor Main Library
| 索引号: |
A1234.567 |
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| 复印件 1 | 可用 |