电子设备用压电陶瓷滤波器:空白详细规范 电视伴音中频电路用压电陶瓷滤波器
电子设备用压电陶瓷滤波器:空白详细规范 电视伴音中频电路用压电陶瓷滤波器
Blank detail specification for piezoelectric ceramic filters for use in electronic equipment--Piezoelectric ceramic filters for IF sound circuit of TV receivers Assessment level E
发布日期:1988-03-28
实施日期:1988-10-01