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Statistical classifications
NC 2017 (ca)
Subitem
310221 — Sulfat d'amoni
Descendants
Code
Description
31022100
Sulfat d'amoni
Correspondence with
NC 2016 (ca)
Code
Description
310221
Sulfat d'amoni
Correspondence with
NC 2018 (ca)
Code
Description
310221
Sulfat d'amoni