722 结果为 '电极丝'
950207029
带锌伽玛的黄铜涂层电线扩散
950402000
黄铜线
950208013
带双伽玛的黄铜涂层线 - β锌扩散
950208014
950208015
950208016
950208024
950208025
950208026
950208027
950203005
涂有伽玛扩散锌的黄铜线
950000011
用厚厚的锌扩散的铜芯涂层