GB/T 20015-2005
金属和其它无机覆盖层 电镀镍、自催化镀镍、电镀铬及最后精饰 自动控制喷丸硬化前处理
Metallic and other inorganic coatings.Automated controlled shot-peening of metallic articles prior to nickel,autocatalytic nickel or chromium plating,or as a final finish
GBT20015-2005, GB20015-2005