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。
7310.21
Cans; which are to be closed by soldering or crimping, for any material (excluding compressed or liquefied gas), less than 50l capacity, of iron or steel
AE 731021
AR 731021
AU 73102100
AU 731021
BR 731021
BR 731021