D. By the middle of the thirteenth century, Koreans were casting type in bronze.
十三世纪中叶朝鲜人使用黄铜铸造活字。
Brass ingots for casting
GB/T8737-1988铸造黄铜锭
Experimental Research of Casting Technology for HPb59-1 Brass Valve
HPb59-1黄铜阀体铸造工艺试验研究
Alloying element have an effect on corrosion resistant properties of cast brass
合金元素对铸造黄铜耐腐蚀性能的影响
Effect of New Type Copper Alloys Refinement Additive on Modification of Cast Lead Brass
新型铜合金细化添加剂对铸造铅黄铜变质处理效果的影响
cast copper alloy for propeller
螺旋桨用铸造铜合金
Bronze ingots for casting
GB/T8739-1988铸造青铜锭
Investigation on Brass/W-Cu Alloy Functionally Graded Material(FGM) by Infiltration-Diffusion Method
熔铸-扩散法制备黄铜/钨铜功能梯度材料的研究
Recovery of Copper and Zinc in the Slag from Horizontal Continuous Casting of Brass;
黄铜水平连铸覆盖物渣中重金属回收
Experimental Production of φ165 mm Cast Ingot of HAl 77-2 Brass
φ165mm HAl77-2铝黄铜铸锭生产试验
chain, brass (excl. imitation jewellery)
黄铜链（不包括人造珠宝）
Research on Casting Process and Properties of Ductile Iron Castings Produced by Copper-based Alloy Mold;
球墨铸铁铜金属型铸造工艺和性能的研究
On Bronze Founding in Wu Culture(First Part)--Founding of the Wu Kingdom and its Local Features;
论吴文化冶铸(上篇)——吴国青铜器铸造与地方特色
Study on the Vicissitude of Copper Cash Casting and Cost Change in Song Dynasty;
宋代铜钱铸造业的盛衰与铸钱成本变动
Research on Horizontal Electromagnetic Continuous Casting of Copper and Copper Alloy Hollow Billets
铜及铜合金管坯水平电磁连续铸造技术研究
Cast copper alloy integral flanges
GB/T15530.1-1995铜合金整体铸造法兰
a great profit accrues to the Government from the coinage of copper
政府因铸造铜币而获大利。
Ajax casting alloy
艾杰克斯铸造铜硅锌合金