Home / Standards / GB/T 6149-2010 GB/T 6149-2010 Active New constantan resistance alloy 新康铜电阻合金 Standard Type GBT ICS 31.030 CCS N05 Status 现行 Issue Date 2010-12-01 Implementation 2011-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A