ITU

التزام بتوصيل العالم

General characteristics of a conditional-access broadcasting system

Report BT.1079-1 (1990)

Status : In force (Main)

Access : Free Download


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1822068 bytes 1990-01-01 E 70000 
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1944039 bytes 1990-01-01 F 70000 
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1936741 bytes 1990-01-01 S 70000