 Nace :
nomenclature for economics activities of the european communities, revision 1, 2000 edition, Paris (French National Institute of Statistics and Economic Studies).
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NAF :
nomenclature for french activities, revision 1, 2000 edition, Paris (French National Institute of Statistics and Economic Studies).
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Nanometric particles (NP) :
Solid particles with one or more external dimensions less than 100 nm.
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