GB/T 22319.9-2018石英晶体元件参数的测量第9部分:石英晶体元件寄生谐振的测量国家标准
英文:Measurement of quartz crystal unit parameters—Part 9:Measurement of spurious resonances of piezoelectric crystal unit...
英文:Measurement of quartz crystal unit parameters—Part 9:Measurement of spurious resonances of piezoelectric crystal unit...