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Priority claimed from IL11815196Aexternal-prioritypatent/IL118151A/xx
Application filed by Macrovision CorpfiledCriticalMacrovision Corp
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Publication of TW295767BpublicationCriticalpatent/TW295767B/zh
Способ и устройство предотвращения удовлетворительного копирования аналоговым видеомагнитофоном аналогового сигнала цветности, защищенная от копирования среда с записанным на ней видеосигналом цветности