Home / Standards / GB/T 24269-2009 GB/T 24269-2009 Active Specification for CuCrFe electric contact material 铜铬铁电触头技术条件 Standard Type GBT ICS 29.120.99 CCS K14 Status 现行 Issue Date 2009-06-19 Implementation 2010-02-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A