1. |
Observation helicopters
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LC Classification (LCC)
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ClassNumber Topic |
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UG1232.O28 |
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Military Science--Air forces. Air warfare--Equipment and supplies--Operational--Helicopters--By type, A-Z--Observation helicopters ; Observation helicopters |
15. |
Sovremennai︠a︡ prit︠s︡elʹnai︠a︡ tekhnika i pribory nabli︠u︡denii︠a
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BIBFRAME Works
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Work Text Monograph |
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21399666 |
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