Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Central De TelecomunicacionesfiledCriticalCentral De Telecomunicaciones
Priority to CU34942ApriorityCriticalpatent/CU21049A/es
Publication of CU21049ApublicationCriticalpatent/CU21049A/es