3.05mm diameter, square mesh copper TEM grids. Available in 50, 75, 100, 150, 175, 200, 250, 300, 400 and 600 mesh sizes. Supplied in tubes of 100."> TEM电网400目铜3.05毫米(100)的管-网格 - 万博手机版max客户端,万博手机登录网,万博电脑网页版登录