Home / Standards / GB/T 6730.1-2016 GB/T 6730.1-2016 Active Iron ores—Preparation of predried test samples for chemical analysis 铁矿石 分析用预干燥试样的制备 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2016-02-24 Implementation 2016-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A