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。

7306.21
Steel, stainless; casing and tubing of a kind used in drilling for oil and gas, n.e.c. in chapter 73, welded, (not seamless)
铁或钢制品
AE 730621 AR 730621 AU 73062100 AU 730621 BR 730621 BR 7306.21.00