Piezoelectric ceramic resonators - A specification in the IEC quality assessment system for electronic components (IECQ) - Part 1: Generic specification; qualification approval; identical with IEC 61253-1:1993
压电陶瓷谐振器.IEC电子元件质量评估系统(IECQ)规范.第1部分:总规范;资质审批;与IEC 61253-1:1993相同