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Statistical classifications
NC 2021 (ca)
Subitem
281910 — Triòxid de crom
Descendants
Code
Description
28191000
Triòxid de crom
Correspondence with
NC 2020 (ca)
Code
Description
281910
Triòxid de crom
Correspondence with
NC 2022 (ca)
Code
Description
281910
Triòxid de crom