Satellites de communication: étude des systèmes existants et des applications futures à la radiodiffusion
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| Main Authors: | , |
|---|---|
| Format: | programme and meeting document biblioteca |
| Language: | fre |
| Subjects: | Communication satellites, Educational television, Educational radio, Satellite broadcasting, Allocation of frequencies, |
| Online Access: | https://unesdoc.unesco.org/ark:/48223/pf0000005344_fre |
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