Home / Standards / GB/T 12273.1-2017 GB/T 12273.1-2017 Active Quartz crystal units of assessed quality—Part 1:Generic specification 有质量评定的石英晶体元件 第1部分:总规范 Standard Type GBT ICS 31.140 CCS L21 Status 现行 Issue Date 2017-05-31 Implementation 2017-12-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A