上海电话设备厂/上海邮电五二O厂

生产数字程控电话交换设备和电话机系列通信产品。

Looking for 上海电话设备厂/上海邮电五二O厂? This site is listed under 电子与通信. 生产数字程控电话交换设备和电话机系列通信产品。 Find more info about 上海电话设备厂/上海邮电五二O厂 including official website, related resources, and alternative recommendations in the same category.