Home / Standards / GB/T 3884.1-2000 GB/T 3884.1-2000 Methods for chemical analysis of copper concentrates — Determination of copper content 铜精矿化学分析方法 铜量的测定 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A