Home / Standards / GB/T 1234-2012 GB/T 1234-2012 Active High resistance alloys for electrical heating 高电阻电热合金 Standard Type GBT ICS 77.140.99 CCS H57 Status 现行 Issue Date 2012-11-05 Implementation 2013-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A