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Statistical classifications
NC 2020 (ca)
Subitem
281910 — Triòxid de crom
Descendants
Code
Description
28191000
Triòxid de crom
Correspondence with
NC 2019 (ca)
Code
Description
281910
Triòxid de crom
Correspondence with
NC 2021 (ca)
Code
Description
281910
Triòxid de crom