A specification in the IEC quality assessment system for electronic components (IECQ) - Quartz crystal units - Part 3: Sectional specification, qualification approval; identical with IEC 61178-3:1993
IEC电子元件质量评估体系(IECQ)中的规范.石英晶体元件.第3部分:分规范 鉴定批准;与IEC 61178-3:1993相同