..国产精品人人做人人爽_私人免费av毛片_国产日韩欧美综合视频在线_西西人体大胆啪啪实拍老狼二百_日逼视频国产精品免费看_中文字幕第23页_av狼友永久免费网址观看_免费无码不卡在线播放_国产成人剧情aⅴ毛片_视频在线观看一区

中文English
中文English

SAMARIUM COBALT MAGNETIC STEEL

SAMARIUM COBALT MAGNETIC STEEL

More

SmCo is a high-capacity permanent magnet made from Sm, Co, Fe and other trace metal elements.Besides a max working temperature of 350℃, it has remarkable resistance against corrosion and oxidation.it may be used in aeronautic and space industries among others.