Home / Standards / GB/T 18880-2012 GB/T 18880-2012 Active Materials for bonded neodymium iron boron permanent magnets 粘结钕铁硼永磁材料 Standard Type GBT ICS 77.120.99 CCS H65 Status 现行 Issue Date 2012-11-05 Implementation 2013-05-01 Responsible Dept 国家标准委 Drafting Unit N/A