Quality classification refers to standards EN 635-2 GIOCONDA : CLASS I (former class AB of UNI 6471)CLASS II (former class B of UNI 6471)CLASS III (former class BB of UNI 6471)CLASS IV (former class C of UNI 6471) Qualità della faccia CLASS I (former class AB of UNI 6471)Faces that may remain visible, ideal for any type of finishing (coatings, …
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