المكتب المركزي المشترك للإنتاج والتوزيع: صوت القاهرة - مصرفون

The Shared Central Office for Production and Distribution: Sono Cairo - Misrphon was the previous, now nationalized Misrphon which continued to exist a few years in the mid 1960s as a separate unit of Sono Cairo before it was completely merged.