电子设备用圆片型瓷介预调可变电容器总规范
Generic specification for disc-style ceramic dielectric variable preset capacitors in electronic equipment
1991-03-27
BS 9093 N001-1977
Detail specification for variable pre-set air dielectric capacitors (type C). Vane type without locking device, not sealed. Full assessment level
可变预设空气介质电容器(C型)详细规范 叶片式 无锁定装置 未密封 全面评估水平