Home / Standards / GB/T 4993-2010 GB/T 4993-2010 Active Nickel-Chrominum/Copper-Nickel(Constantan) thermocouple wires 镍铬-铜镍(康铜)热电偶丝 Standard Type GBT ICS 17.200.20 CCS N11 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