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oligoelemento m
agric.	micro-élément m; oligo-élément m
econ.	oligoélément m
food.serv.	élément oligo-dynamique
med.	élément chimique indispensable à la santé
oligoelementos m
agric.	oligo-éléments m; éléments-traces m
environ.	élément trace
food.ind.	oligoélément m; élément-trace m

oligoelemento: 18 phrases in 5 subjects

Environment	6
General	1
Name of organization	9
Patents	1
United Nations	1