K19C12200黃銅棒銅板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----電氣工
品牌:北鼎金屬 規格:規格齊全 產地:進口國產 材質:K19 C12200黃銅棒銅板