未列名无缝钢铁管及空心异型材
Other tubes, pipes and hollow profiles,not elsewhere specified or included, other than cast iron
4出口许可证出口x出口许可证(加工贸易)出口无需检验检疫
7304900000101未列名无缝钢铁管及空心异型材(铸铁除外)(特种设备,压力管道管子)复制7304900000102未列名无缝钢铁管及空心异型材(铸铁除外)(无缝钢管)复制7304900000103未列名无缝钢铁管及空心异型材(铸铁除外)(其他管道元件)复制