2026-05-05 23:18 浏览次数 17
n. 废铜;红铜杂件
Technique to produce pure copper products directly from copper scraps--Refinery of copper scraps by FRHC process and its application
利用杂铜直接生产纯铜产品的技术--FRHC法杂铜精炼工艺及应用
Investigation into the production of upcast OF copper rods from copper scraps
利用废旧紫铜生产上引铸造无氧铜桿的研究
Method of sampling and methods of determination of copper content and moisture of copper scraps for smelting
炼铜用碎铜及废铜采样方法及含水量测定方法