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1977-04-29 |
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1977-12-23 |
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1977-12-23 |
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1978-06-22 |
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1979-01-19 |
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1979-08-11 |
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1981-01-19 |
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1982-05-05 |
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1983-01-28 |
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1988-12-01 |
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1997-08-12 |
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Antennen-Speisesystem im Mikrowellenbereich für Reflektorantennen
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