不锈钢制外径≤168.3mm钻管
Drilling pipe, of stainless steel, having an outside diameter not exceeding168.3mm, of a kind used in drilling for oil or gas pipelines
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
7304221000101不锈钢制外径≤168.3mm钻管(钻探石油及天然气用)(特种设备,压力管道管子)复制7304221000102不锈钢制外径≤168.3mm钻管(钻探石油及天然气用)(无缝钢管)复制7304221000103不锈钢制外径≤168.3mm钻管(钻探石油及天然气用)(其他管道元件)复制