编码描述:,of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver),of copper-nickel-zinc base alloys (nickel silver),of copper-niskel base alloys (cupro-nickel) 编码来源:韩国原始海关数据 产品标签: ethylene,copper,alloys,erw,bhea,inforce,arts,cupro,l base,comb