CASTING, DUCTILE (NODULAR) IRON FOR ARTILLERY, WARHEAD AND MORTAR AMMUNITION COMPONENTS (FUTURE ACQUISITION FOR THIS ITEM SHOULD REFER TO A536-84, "STANDARD SPECIFICATION FOR DUCTILE IRON CASTINGS." (NO S/S DOCUMENT)
火炮、弹头和迫击炮弹药部件用球墨铸铁铸件(该项目的未来采购应参考A536-84 “球墨铸铁件标准规范”(无S/S文件)