Home / Standards / GB/T 28858-2012 GB/T 28858-2012 Active Encapsulating material of phenolic for electronic components 电子元器件用酚醛包封料 Standard Type GBT ICS 31-030 CCS L90 Status 现行 Issue Date 2012-11-05 Implementation 2013-02-15 Responsible Dept 国家标准委 Drafting Unit N/A