ΟΒΣ
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Greek[edit]
Proper noun[edit]
ΟΒΣ • (OVS) m (indeclinable)
- (military) Initialism of Οργανισμός Βορειοατλαντικού Συμφώνου (Organismós Voreioatlantikoú Symfónou): NATO
ΟΒΣ • (OVS) m (indeclinable)