Sulphates; alums; peroxosulphates (persulphates) › Other sulphates
283322Subheading
2833.22 — Of aluminium:
Của nhôm:
Codes under heading 283322
Distinguish from heading:2530Miner…2852Inorg…3102Miner…2807Sulph…3104Miner…2603Coppe…2511Natur…2607Lead…
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