K19C12200黄铜棒铜板HMn58-2C67400--CuZn40Mn--HMn57-3-1---CuZn35Ni--HMn55-3-1------HFe59-1-1C67820--CuZn39SnC6782CuZn39Al,FeMnHFe58-1-1-CZ114-CuZn40Ni,CuZn40Mn--QSn4-3-----CuSnZn4QSn4-4-2.5------QSn4-4-4C54400---C5441-QSn6.5-0.1-PB100----电气工
品牌:北鼎金属 规格:规格齐全 产地:进口国产 材质:K19 C12200黄铜棒铜板