Methods of chemical analysis for phosphor copper ingots 磷銅錠的化學(xué)分析方法
Phosphor copper metal 磷銅金屬
Fittings dept . : the spectacle fittings has novel style and complete breed whose main material are brass , cupronickel , phosphor copper , nickel , mangansese alloy , aluminium magnesium alloy , stainless steel , memory metal and other kind of hardware goods fittings and so on 配件部:眼鏡配件款式新穎品種齊全,主要材質(zhì)有:黃銅、白銅、磷銅、鎳、錳合金、鋁鎂合金、不銹鋼、記憶金屬及其它各類五金制品配件等。