Home / Standards / GB/T 37007-2018 GB/T 37007-2018 Active Electronic grade trimethylgallium 电子级三甲基镓 Standard Type GBT ICS 71.100.20 CCS G86 Status 现行 Issue Date 2018-12-28 Implementation 2019-04-01 Responsible Dept 国家标准委 Drafting Unit N/A