比较 HS 编码
输入最多 5 个 HS-6 编码（逗号分隔），并排比较说明与各国对应编码。
5205.21
Cotton yarn; (not sewing thread), single, of combed fibres, 85% or more by weight of cotton, measuring 714.29 decitex or more, (not exceeding 14 metric number), not for retail sale
AE 520521
AR 520521
AU 52052110
AU 520521
BR 520521
BR 5205.21.00