纵向埋弧焊接石油、天然气粗钢管
Line pipe of a kind used for oil or gas pipelines ,Longitudinally submerged arc welded , the external diameter of which exceeds 406.4mm
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
7305110000101纵向埋弧焊接石油、天然气粗钢管(粗钢管指外径超过406.4mm)(特种设备,压力管道管子)复制7305110000102纵向埋弧焊接石油、天然气粗钢管(粗钢管指外径超过406.4mm)(焊接钢管)复制7305110000103纵向埋弧焊接石油、天然气粗钢管(粗钢管指外径超过406.4mm)(其他管道元件)复制