Home / Standards / GB/T 24272-2009 GB/T 24272-2009 Active Test method for mechanical torque rate of spiral coils of thermostat metal 热双金属平螺旋形元件机械转矩率试验方法 Standard Type GBT ICS 29.120.20 CCS H21 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