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。
2909.49
Ether-alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives; n.e.c. in item no. 2909.4
AE 290949
AR 290949
AU 290949
BR 290949
BR 290949
CA 290949