GB/T 12273.501-2012 石英晶体元件 电子元器件质量评定体系规范 第5.1部分:空白详细规范 鉴定批准 Quartz crystal units A specification in the quality assessment system for electronic components Part 5.1: Blank detail specification- qualification approval
Quartz crystal units A specification in the quality assessment system for electronic components Part 5.1: Blank detail specification- qualification approval