Home / Standards / GB/T 24268-2009 GB/T 24268-2009 Active Test methods for chemical analysis of silver-tin oxide electric contact material 银氧化锡电触头材料化学分析方法 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