Home / Standards / GB/T 33811-2017 GB/T 33811-2017 Abolished Alloy tool and mould steel sheets and plates 合金工模具钢板 Standard Type GBT ICS 77.140.50 CCS H46 Status 废止 Issue Date 2017-05-31 Implementation 2017-12-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A