The resin coated Copper, Bulled up-Multilayer cop environmental protective cop and nonhalogenated flame retardant resin were also introduced briefly.

  • 对涂树脂铜箔、积成法多层覆铜板、环保型覆铜板和无卤阻燃树脂也进行了简要介绍。
目录 查词历史