European standards: after all, how they work for Brazilians


European standards are those with standardization that allow data and operations on different aspects related to ornamental stones are carried out uniformly and thus ensures quality control.

FRASCÁ, Maria Heloisa Barros de Oliveira. Normas européias: afinal, como funcionam para os brasileiros. Rochas de Qualidade, n.225, p.198-199, jul-ago., 2012.

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