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ayudas a la navegación
transp.	Navigationshilfe f; Navigationsunterstützung f
transp., nautic., avia.	Navigationshilfen n
ayuda a la navegación
econ.	Navigationsausrüstung f
transp.	Schifffahrtszeichen n; Navigationshilfe f

ayudas a la navegación: 13 phrases in 2 subjects

Communications	4
Transport	9