Home / Standards / GB/T 10322.1-2023 GB/T 10322.1-2023 Active Iron ores—Sampling and sample preparation procedures 铁矿石 取样和制样方法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A